8+ Hip Pain When Crossing Legs: Causes & Relief


8+ Hip Pain When Crossing Legs: Causes & Relief

Discomfort localized within the hip joint that manifests or intensifies throughout adduction and inside rotation of the leg, notably when one leg is positioned over the opposite, typically signifies underlying musculoskeletal points. Any such discomfort can vary from a gentle ache to a pointy, debilitating sensation, considerably impacting mobility and each day actions. The depth and nature of the feeling can fluctuate relying on the precise trigger, starting from a boring throbbing to a pointy, stabbing ache.

Addressing and understanding the supply of this discomfort is essential for sustaining optimum joint well being and stopping long-term problems. Early intervention can mitigate the development of probably degenerative situations and restore pain-free motion. Traditionally, such sensations have been typically dismissed as minor inconveniences; nonetheless, a larger understanding of biomechanics and joint well being has underscored the significance of figuring out and addressing the basis causes. Well timed analysis and administration can enhance high quality of life, permitting people to take care of energetic life.

The next sections will discover the potential causes of this situation, diagnostic approaches used to determine the supply of discomfort, and accessible therapy choices for managing and assuaging signs. This can embody dialogue of anatomical constructions which may be concerned, examination methods, and conservative and surgical administration methods.

1. Anatomical Buildings

The hip joint, a posh ball-and-socket articulation, depends on a number of key anatomical constructions for its stability and performance. These constructions embody the acetabulum (the socket of the hip), the femoral head (the ball), the labrum (a fibrocartilaginous rim that deepens the socket), joint capsule, surrounding ligaments (iliofemoral, pubofemoral, and ischiofemoral), and quite a few muscle mass together with the hip flexors, extensors, abductors, adductors, and rotators. Discomfort skilled throughout adduction and inside rotation, reminiscent of when positioning one leg over the opposite, can typically be attributed to pathology inside these constructions. For example, a labral tear could trigger sharp, localized discomfort with particular actions. Degenerative modifications inside the joint cartilage, attribute of osteoarthritis, can manifest as deep aching sensations and restricted vary of movement, notably throughout weight-bearing actions coupled with rotational actions. The piriformis muscle, situated deep inside the buttock, can impinge the sciatic nerve, resulting in radiating discomfort and ache down the leg when the hip is internally rotated and adducted.

Situations reminiscent of femoroacetabular impingement (FAI), the place irregular bony morphology restricts joint motion, continuously result in discomfort throughout hip flexion, adduction, and inside rotation. FAI can lead to labral tears and cartilage injury over time. Ligamentous laxity or harm can destabilize the joint, inflicting discomfort and a sensation of instability throughout motion. Moreover, irritation of the bursae (fluid-filled sacs that cut back friction) surrounding the hip joint, referred to as bursitis, may cause localized discomfort and tenderness, particularly with repetitive actions or extended positions. Iliopsoas tendinopathy, an irritation or degeneration of the iliopsoas tendon, may generate ache that’s exacerbated by hip flexion and rotation.

In abstract, the intricate interaction between varied anatomical constructions of the hip dictates its biomechanical operate. Discomfort elicited throughout leg crossing typically displays underlying pathology affecting these constructions. Precisely figuring out the precise anatomical supply of discomfort is vital for growing efficient administration methods, starting from conservative approaches like bodily remedy and injections to surgical interventions for extra extreme structural injury. A complete medical examination and acceptable imaging modalities, reminiscent of MRI, are important for exact analysis and focused therapy.

2. Vary of Movement

Vary of movement on the hip joint is an important determinant in evaluating discomfort skilled throughout actions reminiscent of crossing the legs. Limitations or abnormalities in hip mobility can instantly contribute to the feeling of ache and restricted operate. Assessing the extent and high quality of hip motion supplies useful insights into the underlying reason behind the discomfort.

  • Hip Flexion and Adduction

    Hip flexion, the motion of bringing the thigh in direction of the chest, and adduction, transferring the leg in direction of the midline of the physique, are each essential to attain the posture of crossing the legs. Restricted hip flexion, probably on account of tight hip flexor muscle mass or intra-articular impingement, can restrict the flexibility to comfortably cross the legs. Equally, restricted adduction, typically brought on by adductor muscle tightness or joint capsule restrictions, can exacerbate discomfort. People with osteoarthritis could expertise ache when trying to flex and adduct the hip, additional limiting their vary of movement and inflicting discomfort throughout leg crossing.

  • Inner and Exterior Rotation

    Inner and exterior rotation of the hip are additionally vital elements of the motion. Decreased inside rotation, notably within the flexed place, can point out femoroacetabular impingement (FAI) or labral pathology. Restricted exterior rotation could recommend tightness within the exterior rotator muscle mass, such because the piriformis, or capsular restrictions. Discomfort throughout leg crossing could consequence from the compensatory actions required to attain the posture when inside or exterior rotation is proscribed. For instance, a person with restricted inside rotation may compensate by excessively adducting the hip, resulting in pressure and discomfort.

  • Capsular Patterns

    Capsular patterns, predictable patterns of restriction in vary of movement related to particular joint pathologies, can inform the analysis of hip situations. A typical capsular sample within the hip entails larger restriction in inside rotation, adopted by flexion and abduction. The presence of a capsular sample suggests intra-articular pathology, reminiscent of osteoarthritis or adhesive capsulitis, which might considerably restrict the flexibility to comfortably cross the legs. The severity of the capsular sample typically correlates with the diploma of discomfort skilled throughout this exercise.

  • Muscle Imbalances and Delicate Tissue Restrictions

    Muscle imbalances across the hip, reminiscent of weak spot within the hip abductors and extensors mixed with tightness within the hip flexors and adductors, can contribute to altered biomechanics and restricted vary of movement. Delicate tissue restrictions, together with tight muscle mass, fascia, or scar tissue, may restrict hip mobility and contribute to discomfort throughout leg crossing. For instance, tightness within the iliotibial (IT) band can alter hip mechanics and enhance stress on the hip joint throughout adduction and inside rotation. Addressing these muscle imbalances and comfortable tissue restrictions by means of focused workout routines and handbook remedy can enhance vary of movement and alleviate discomfort.

In abstract, the connection between hip vary of movement and discomfort skilled throughout leg crossing is multifactorial, involving the interaction of joint mechanics, muscle steadiness, and comfortable tissue flexibility. Assessing vary of movement supplies useful diagnostic data, guiding focused interventions to enhance hip mobility and alleviate ache. Understanding the precise limitations in vary of movement, together with related capsular patterns and muscle imbalances, is important for growing efficient therapy methods and restoring practical motion.

3. Underlying Situations

A number of underlying medical situations can manifest as discomfort when crossing the legs. Figuring out these situations is vital for correct analysis and acceptable administration. The feeling of ache within the hip throughout leg crossing is commonly a symptom of a deeper, pre-existing musculoskeletal or systemic subject.

  • Osteoarthritis

    Osteoarthritis, a degenerative joint illness, entails the breakdown of cartilage inside the hip joint. This degradation results in bone-on-bone friction, irritation, and discomfort. People with hip osteoarthritis continuously report ache that worsens with motion, notably throughout actions that require flexion, adduction, and inside rotation, reminiscent of crossing the legs. The situation can restrict vary of movement, and the ensuing discomfort could also be characterised by a deep ache that’s exacerbated by extended sitting or exercise.

  • Femoroacetabular Impingement (FAI)

    FAI is a situation the place irregular bone progress across the hip joint restricts motion. This irregular morphology can result in impingement or pinching of sentimental tissues, such because the labrum, throughout sure actions. Crossing the legs, which entails hip flexion, adduction, and inside rotation, typically exacerbates the signs of FAI. Ache related to FAI is usually sharp and localized and could also be accompanied by a clicking or popping sensation within the hip.

  • Labral Tears

    The labrum, a fibrocartilaginous rim surrounding the hip socket, supplies stability and cushioning to the joint. Tears within the labrum can happen on account of trauma, repetitive motions, or structural abnormalities. A labral tear typically causes sharp ache throughout particular actions, together with these concerned in crossing the legs. The ache could also be accompanied by a catching or locking sensation and should radiate to the groin or buttock. Labral tears may result in a sense of instability within the hip joint.

  • Hip Bursitis

    Hip bursitis, notably trochanteric bursitis, entails irritation of the bursae, fluid-filled sacs that cut back friction between bones, tendons, and muscle mass across the hip joint. Irritation of the bursae may cause localized ache and tenderness on the surface of the hip. The ache could worsen with actions that put stress on the bursa, reminiscent of mendacity on the affected aspect or crossing the legs. Repetitive actions and extended positions may exacerbate the discomfort related to hip bursitis.

The underlying situations mentioned signify widespread causes of discomfort skilled when crossing the legs. Every situation impacts the hip joint in a singular method, resulting in various varieties and intensities of signs. Correct analysis and administration require a radical medical analysis and acceptable imaging research to determine the precise underlying trigger and information focused therapy methods. Failure to handle these underlying situations can result in power ache and lowered mobility.

4. Ache Depth

The diploma of discomfort, or ache depth, skilled when crossing the legs serves as a vital indicator of the underlying pathology affecting the hip joint. Ache depth, starting from gentle discomfort to extreme, debilitating ache, instantly correlates with the extent of tissue injury, irritation, or biomechanical dysfunction current inside the hip. For example, a gentle ache could recommend early-stage osteoarthritis or minor muscle pressure, whereas sharp, intense ache can point out a extra acute subject reminiscent of a labral tear or femoroacetabular impingement (FAI). The subjective expertise of ache depth is an important part in differential analysis, influencing the course of medical analysis and subsequent therapy methods. Ignoring or underestimating ache depth can result in delayed analysis and potential development of the underlying situation.

Actual-world examples illustrate the importance of assessing ache depth. A person with early osteoarthritis may initially report a low stage of ache, progressively growing over time. This escalation typically prompts the person to hunt medical consideration, revealing progressive cartilage degradation. Conversely, a sudden onset of extreme ache upon crossing the legs may signify an acute labral tear sustained throughout a selected motion. In sensible utility, quantifying ache depth, typically by means of ache scales or questionnaires, permits healthcare professionals to watch therapy effectiveness. A discount in reported ache depth following interventions reminiscent of bodily remedy or injections suggests a optimistic response to therapy. Conversely, persistent excessive ache depth regardless of interventions could necessitate additional diagnostic investigation or a change in therapy strategy.

In conclusion, ache depth is a crucial part of the symptomatic presentation related to discomfort skilled when crossing the legs. Its correct evaluation is essential for efficient analysis, therapy planning, and monitoring of therapeutic outcomes. Challenges in ache evaluation, reminiscent of subjective reporting and particular person ache thresholds, should be addressed by means of complete medical evaluations. The understanding of this relationship underscores the significance of affected person communication and thorough bodily examination in managing hip-related discomfort.

5. Particular Location

The exact location of discomfort skilled when crossing the legs supplies vital data for differentiating potential underlying causes. Ache localized to the groin space typically suggests intra-articular pathology, probably involving the hip joint capsule, labrum, or articular cartilage. This location could implicate situations reminiscent of osteoarthritis or femoroacetabular impingement. In distinction, discomfort located laterally, on the surface of the hip, continuously signifies trochanteric bursitis or gluteal tendinopathy. Ache radiating down the leg may level in direction of sciatic nerve involvement, probably brought on by piriformis syndrome or lumbar backbone pathology affecting the nerve roots. Understanding the anatomical constructions underlying these particular places facilitates a focused diagnostic strategy.

Think about the situation of a person reporting sharp ache deep inside the hip joint, exacerbated by hip flexion, adduction, and inside rotation, attribute of crossing the legs. The precise location of this ache strongly suggests a labral tear or FAI as potential etiologies. Diagnostic imaging, reminiscent of MRI, can then be targeted on evaluating the labrum and bony morphology of the hip joint. Conversely, a person presenting with ache and tenderness over the larger trochanter, worsening with lateral stress or extended sitting, is extra more likely to be experiencing trochanteric bursitis. The situation of ache guides the bodily examination and directs the number of acceptable diagnostic assessments, thereby streamlining the diagnostic course of. Furthermore, the precise location influences the number of therapy methods. For example, intra-articular ache could warrant intra-articular injections or arthroscopic surgical procedure, whereas lateral hip ache could reply to conservative measures like bodily remedy and anti inflammatory drugs.

In abstract, figuring out the exact location of discomfort throughout leg crossing is paramount for figuring out the underlying pathology. This data aids in differential analysis, guides bodily examination, directs diagnostic imaging, and informs the number of acceptable therapy methods. Challenges come up when ache referral patterns complicate localization; thus, a complete understanding of hip anatomy and ache mechanisms is important for correct medical evaluation and efficient administration. Understanding ache location contributes to a extra targeted and environment friendly strategy to diagnosing and managing situations related to ache throughout leg crossing.

6. Posture Affect

Postural alignment exerts a big affect on biomechanics of the hip joint, subsequently impacting the chance and severity of discomfort skilled when crossing the legs. Deviations from optimum posture can alter weight distribution, enhance stress on particular hip constructions, and exacerbate underlying situations.

  • Pelvic Tilt

    Anterior or posterior pelvic tilt considerably impacts hip joint mechanics. An anterior pelvic tilt, characterised by an elevated lumbar lordosis, can shorten the hip flexors and compress anterior hip constructions, predisposing people to discomfort when the hip is flexed and adducted, as happens when crossing the legs. Conversely, a posterior pelvic tilt can result in hamstring tightness and posterior hip impingement, equally upsetting discomfort throughout leg crossing. Sustaining a impartial pelvic tilt is important for balanced hip biomechanics.

  • Spinal Alignment

    Spinal misalignments, reminiscent of scoliosis or extreme kyphosis, can not directly affect hip place and performance. Scoliosis can create asymmetrical loading on the hips, resulting in differential stress on the hip joints throughout varied actions, together with crossing the legs. Kyphosis, notably when coupled with ahead head posture, can shift the bodys heart of gravity, altering pelvic alignment and hip mechanics. These spinal deviations contribute to imbalances in muscle activation across the hip, growing the chance of discomfort throughout actions like leg crossing.

  • Muscle Imbalances

    Continual postural deviations typically result in muscle imbalances across the hip and pelvis. For instance, extended sitting with poor posture can lead to tight hip flexors and weak gluteal muscle mass. This imbalance can alter the place of the pelvis and enhance stress on the hip joint when crossing the legs. Weak point within the core muscle mass may compromise pelvic stability, additional contributing to suboptimal hip biomechanics. Addressing these muscle imbalances by means of focused workout routines and postural correction is essential for assuaging discomfort related to crossing the legs.

  • Foot and Ankle Mechanics

    Foot and ankle pronation or supination can transmit altered biomechanical forces up the kinetic chain to the hip joint. Extreme pronation can result in inside rotation of the decrease limb, probably exacerbating hip discomfort throughout adduction and inside rotation, as skilled when crossing the legs. Equally, supination can restrict shock absorption and enhance stress on the lateral hip constructions. Addressing foot and ankle mechanics by means of orthotics and focused workout routines can enhance decrease extremity alignment and cut back stress on the hip joint.

The interaction between postural alignment, muscle steadiness, and decrease extremity biomechanics considerably impacts the consolation skilled when crossing the legs. Correcting postural deviations and addressing underlying muscle imbalances and biomechanical faults is important for minimizing hip discomfort and bettering total joint well being. These issues underscore the significance of a holistic strategy to evaluation and administration, encompassing not solely the hip joint but additionally your entire kinetic chain.

7. Useful Limitations

Restrictions in each day actions are continuously reported by people experiencing hip discomfort throughout actions reminiscent of crossing the legs. These limitations, stemming from ache and lowered mobility, considerably affect high quality of life and practical independence. Addressing these limitations is a major aim of medical administration.

  • Gait Disturbances

    Altered strolling patterns typically emerge as a compensatory mechanism to reduce discomfort. People could exhibit a limping gait, lowered stride size, or decreased weight-bearing time on the affected aspect. These gait variations can result in secondary musculoskeletal points in different areas of the physique. Within the context of hip discomfort whereas crossing the legs, gait abnormalities could replicate underlying joint pathology or muscle imbalances contributing to the ache expertise.

  • Sitting Tolerance

    Extended sitting can exacerbate hip discomfort, notably if the posture entails flexion and adduction, as seen when crossing the legs. People could expertise elevated ache, stiffness, and muscle fatigue, limiting their capability to carry out sedentary actions reminiscent of working at a desk or driving. The lowered sitting tolerance can considerably affect occupational and social participation.

  • Actions of Day by day Residing (ADLs)

    Primary self-care duties reminiscent of dressing, bathing, and toileting could turn into difficult on account of hip ache and restricted vary of movement. Issue placing on sneakers and socks or getting out and in of a automobile are widespread complaints. These limitations in ADLs compromise independence and should necessitate help from caregivers.

  • Leisure Actions

    Participation in sports activities, train, and different spare time activities is continuously curtailed by hip discomfort. Actions involving repetitive hip actions, affect loading, or extended weight-bearing can provoke or exacerbate signs. The lack to have interaction in leisure actions can result in lowered bodily health, social isolation, and decreased psychological well-being.

The practical limitations outlined above underscore the pervasive affect of hip discomfort on varied facets of each day life. Recognizing and addressing these limitations is essential for growing complete therapy plans aimed toward restoring operate, decreasing ache, and bettering high quality of life. Efficient administration methods ought to concentrate on addressing the underlying pathology, bettering hip mobility and energy, and selling adaptive methods to reduce practical restrictions.

8. Related Signs

Accompanying manifestations past localized discomfort are diagnostically important when assessing hip ache skilled throughout actions reminiscent of crossing the legs. These further signs provide useful insights into the underlying pathology and information the course of medical analysis.

  • Groin Ache

    Ache referred to the groin space continuously accompanies intra-articular hip pathology. Situations reminiscent of labral tears or femoroacetabular impingement (FAI) typically manifest with sharp or aching ache within the groin, exacerbated by hip flexion, adduction, and inside rotation, actions concerned in crossing the legs. This ache sample is attributable to irritation of the hip joint capsule and surrounding comfortable tissues. For example, an athlete with a labral tear could report groin ache that intensifies throughout actions requiring hip rotation and adduction.

  • Clicking or Popping Sensations

    Audible or palpable clicking or popping sensations inside the hip joint could recommend the presence of intra-articular derangement. These sensations, typically related to labral tears or unfastened our bodies inside the joint, can happen throughout particular actions, together with these concerned in crossing the legs. Whereas not all the time painful, the presence of clicking or popping can point out mechanical instability or impingement inside the hip joint. For instance, a affected person with a historical past of hip dysplasia could report a clunking sensation throughout hip motion, indicative of joint instability.

  • Stiffness and Restricted Vary of Movement

    Stiffness and restriction in hip motion continuously accompany power hip situations reminiscent of osteoarthritis. Decreased vary of movement, notably in flexion, adduction, and inside rotation, can restrict the flexibility to comfortably cross the legs and contribute to elevated discomfort. This stiffness is commonly most pronounced within the morning or after intervals of inactivity. An aged particular person with osteoarthritis could expertise important stiffness and lowered hip mobility, making it troublesome to carry out easy duties reminiscent of crossing the legs or placing on sneakers.

  • Referred Ache to the Thigh or Buttock

    Ache originating from the hip joint can typically be referred to the thigh or buttock area. This phenomenon happens on account of shared innervation patterns between the hip and surrounding tissues. Situations reminiscent of piriformis syndrome or sacroiliac joint dysfunction can mimic hip ache and contribute to discomfort throughout actions reminiscent of crossing the legs. Referred ache can complicate the diagnostic course of, necessitating a radical analysis to distinguish the first supply of the discomfort. A protracted-distance runner with gluteal tendinopathy could expertise referred ache down the again of the thigh, initially misattributed to hamstring pressure.

These related signs, when thought of at the side of the first grievance of hip ache throughout leg crossing, present a extra complete medical image. Recognition of those related options aids in formulating a differential analysis and guiding acceptable diagnostic and therapeutic interventions. The presence or absence of those signs influences the number of imaging modalities and directs the main focus of bodily examination, in the end resulting in simpler administration methods.

Continuously Requested Questions

The next part addresses widespread inquiries concerning hip discomfort skilled when positioning one leg over the opposite. These questions purpose to offer clear and concise data based mostly on present medical understanding.

Query 1: What anatomical constructions are generally implicated in hip ache throughout leg crossing?

A number of constructions could contribute to discomfort. These embody the hip joint itself (cartilage, labrum), surrounding ligaments, muscle mass (hip flexors, adductors, rotators), and bursae. Pathologies affecting any of those constructions can manifest as ache throughout hip flexion, adduction, and rotation concerned in leg crossing.

Query 2: What underlying situations are continuously related to the sort of discomfort?

Widespread situations embody osteoarthritis, femoroacetabular impingement (FAI), labral tears, and hip bursitis. Different potential contributors embody muscle strains, tendinopathies, and referred ache from the lumbar backbone or sacroiliac joint.

Query 3: How does posture affect hip ache when crossing the legs?

Poor posture can alter biomechanics and enhance stress on hip joint constructions. Anterior or posterior pelvic tilt, spinal misalignments, and muscle imbalances can all contribute to discomfort throughout actions like crossing the legs. Correcting postural imbalances could alleviate signs.

Query 4: What forms of diagnostic assessments are usually used to judge hip ache throughout leg crossing?

Analysis typically entails a bodily examination to evaluate vary of movement, palpate for tenderness, and carry out particular provocative assessments. Imaging research reminiscent of X-rays, MRI, or CT scans could also be used to visualise bone and comfortable tissue constructions and determine underlying pathology.

Query 5: What are widespread therapy choices for addressing the sort of hip ache?

Therapy varies relying on the underlying trigger however could embody conservative measures reminiscent of bodily remedy, ache drugs, and injections. Surgical intervention could also be thought of in circumstances the place conservative remedies are ineffective or for particular situations like labral tears or FAI.

Query 6: When is it advisable to hunt medical consideration for hip ache skilled throughout leg crossing?

Medical analysis is really helpful if the ache is extreme, persistent, worsening, or accompanied by different regarding signs reminiscent of limping, numbness, or weak spot. Early analysis and administration can forestall development and enhance outcomes.

Understanding the potential causes, diagnostic approaches, and therapy choices related to hip discomfort throughout leg crossing is essential for efficient administration. Recognizing the significance of posture, biomechanics, and related signs aids in a extra complete understanding.

The following part will delve into particular workout routines and stretches that may assist mitigate hip ache and enhance joint mobility.

Sensible Steering

The next pointers are meant to offer actionable methods for mitigating hip discomfort that arises when positioning one leg over the opposite. The following tips emphasize self-management methods and consciousness of contributing elements.

Tip 1: Implement Common Stretching: Constant stretching of hip flexors, adductors, and rotators can improve flexibility and cut back muscle pressure. Maintain every stretch for 30 seconds and repeat two to a few occasions each day.

Tip 2: Strengthen Hip Abductors: Strengthening workout routines for the gluteus medius and minimus muscle mass contribute to pelvic stability and improved hip joint mechanics. Make the most of resistance bands or body weight workout routines to focus on these muscle mass successfully.

Tip 3: Preserve Optimum Posture: Acutely aware effort to take care of impartial pelvic alignment and upright spinal posture minimizes stress on the hip joint. Make use of ergonomic changes in seating and work environments.

Tip 4: Modify Sitting Habits: Keep away from extended intervals of sitting with the legs crossed. Take frequent breaks to face and transfer round, selling circulation and stopping stiffness.

Tip 5: Make the most of Warmth or Chilly Remedy: Utility of warmth or chilly can present symptomatic reduction. Warmth relaxes muscle mass and improves blood move, whereas chilly reduces irritation. Alternate between warmth and chilly based mostly on symptom presentation.

Tip 6: Have interaction in Low-Influence Train: Actions reminiscent of swimming, biking, or strolling decrease affect on the hip joint whereas sustaining cardiovascular health. Keep away from high-impact actions that exacerbate discomfort.

Tip 7: Think about Assistive Units: In circumstances of great ache or mobility limitations, using assistive gadgets reminiscent of a cane or walker can present assist and cut back stress on the hip joint.

Constant adherence to those pointers can contribute to improved hip operate and lowered discomfort throughout each day actions. A proactive strategy to self-management is important for optimizing outcomes.

This concludes the dialogue on sensible suggestions for managing hip discomfort when crossing the legs. Consulting with a healthcare skilled is really helpful for customized steerage and diagnostic analysis.

Conclusion

The exploration of “ache in hip when crossing legs” reveals a multifaceted symptom requiring cautious consideration. The previous dialogue highlights the interaction of anatomical constructions, underlying situations, postural influences, and related practical limitations that contribute to this particular discomfort. Diagnostic rigor and focused interventions are important for efficient administration.

Continued analysis into the biomechanics and pathophysiology of hip ache is essential for refining diagnostic and therapeutic methods. People experiencing persistent or extreme “ache in hip when crossing legs” ought to search immediate medical analysis to optimize their long-term joint well being and practical capability.