Brief, easy-to-understand answers to common sports injury, treatment, and rehabilitation questions.
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Current evidence is mainly preclinical, from cell and animal studies. More human research is needed on safety, efficacy, and standardised use.
Read answerAssessment combines history, examination, and imaging. X-rays show bony structure; MRI can assess the labrum, cartilage, and surrounding soft tissues.
Read answerYes. Recurrent groin pain, deep hip pain, or activity-related symptoms can warrant assessment for hip instability.
Read answerIt may be considered for professional athletes, contact-sport participants, or people with very high stability requirements; the decision is individualised.
Read answerSingle-bundle reconstruction uses one graft. Double-bundle reconstruction recreates two ACL bundles, has higher rotational-stability requirements, and is more complex.
Read answerIt often takes about six months or longer and should follow return-to-sport testing of strength, balance, jumping, and movement control.
Read answerJogging commonly begins at about three months after motion, strength, swelling, and movement control meet recovery criteria.
Read answerIt depends on pain, swelling, strength, and any meniscus repair. Many patients progressively restore weight bearing and gait early.
Read answerMany protocols begin quadriceps and range-of-motion exercises early after surgery. The exact pace should follow the surgical team.
Read answerOverall results are similar. Hamstring grafts use a smaller incision and may cause less anterior-knee discomfort; patellar tendon grafts have firm initial fixation but anterior-knee pain deserves attention.
Read answerAutograft is common for younger, highly active patients; allograft is used in selected situations. Choice depends on age, goals, and physical condition.
Read answerPrehabilitation can reduce swelling, restore motion, strengthen the quadriceps, and improve gait before postoperative recovery.
Read answerSwelling should usually be controlled and motion restored first. Rushing surgery during marked inflammation and stiffness may increase postoperative motion limitation.
Read answerSurgery is generally planned after swelling has reduced, motion has returned, and strength has begun to improve. Prolonged delay may increase secondary injury risk.
Read answerPeople with lower daily activity demands, good knee stability, no major associated injury, and commitment to structured rehabilitation may be assessed for conservative care.
Read answerNo. The decision depends on age, sporting needs, stability, associated injuries, and rehabilitation participation.
Read answerIt often suggests inadequate knee stability. Recurrent episodes may increase the risk of secondary meniscus and cartilage injury.
Read answerMany people can walk, but may have instability, sudden weakness, or recurrent twisting injuries when turning, using stairs, or exercising.
Read answerIt can suggest bleeding in the joint or a more serious injury. Assessment should consider the injury mechanism, examination, and MRI.
Read answerMany patients hear or feel a pop at the moment of injury, but the absence of a pop does not rule out an ACL injury.
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