Dr. Jiwu Chen

Dr. Jiwu Chen
Patient education

Sports Medicine Q&A

Brief, easy-to-understand answers to common sports injury, treatment, and rehabilitation questions.

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Postoperative rehabilitation

What warning signs after arthroscopy need prompt review or emergency care?

Fever, increasing wound redness or drainage, sudden marked pain, persistent calf swelling or pain, chest pain, shortness of breath, worsening joint stiffness, or a numb, cold limb should prompt urgent contact with the surgical team or emergency assessment for infection, clot, or nerve and blood-vessel complications.

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Return to running

How should running resume after a stress fracture heals?

Daily walking should be pain-free, local tenderness resolved, strength and mobility restored, and bone healing confirmed when appropriate. Return to running should begin with walk-run intervals and gradual weekly load increases. Recurrent pain means stepping back to an earlier stage.

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Running injury

How is medial tibial stress syndrome treated?

Treatment focuses on reducing running and jumping load, adjusting training volume, surfaces, and footwear, and improving calf strength, foot and ankle control, and hip-knee alignment. Focal pain, night pain, or pain with walking should prompt assessment for a stress fracture.

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Ankle treatment

Can arthroscopy treat pinching pain at the front of the ankle?

Anterior ankle impingement can follow repeated sprains, football, dance, or similar activity and causes pain at the front of the ankle during squatting, stairs, or dorsiflexion. If rehabilitation, activity modification, and medication provide limited relief and imaging shows bone spurs or soft-tissue impingement, arthroscopic debridement can be considered.

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Achilles rehabilitation

Is rehabilitation the same for midportion and insertional Achilles pain?

Not exactly. Midportion Achilles tendinopathy often responds to progressive heel raises and resistance training. Insertional Achilles tendinopathy is more sensitive to excessive dorsiflexion, so deep heel drops over a step are often avoided early, alongside heel lifts, load modification, and gradual strengthening.

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Tendinopathy treatment

Can shockwave therapy treat chronic tendinopathy?

Shockwave therapy may be used for selected chronic plantar fascia pain, calcific rotator cuff tendinitis, patellar tendinopathy, or Achilles tendinopathy. It is usually considered when symptoms persist and basic rehabilitation has provided limited benefit. Load management and strengthening are still required afterward.

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Cartilage repair

What are common surgical repair options for cartilage injury?

Options include microfracture, autologous osteochondral transfer, osteochondral allograft transplantation, cell-based cartilage repair, and scaffold-assisted techniques. Choice depends on defect size, location, bone condition, age, activity goals, and associated alignment or ligament problems.

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Meniscus injury

Why is a meniscus root tear especially important?

A meniscus root tear can greatly reduce the meniscus’s ability to share load and absorb shock, making joint loading resemble a knee with little meniscal function. Medial knee pain, squatting pain, effusion, or sudden pain should prompt assessment. Some patients need root repair to protect the joint.

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Hip rehabilitation

When can running and ball sports resume after hip arthroscopy?

Timing depends on what was treated, such as labral repair, bony impingement reshaping, or cartilage work. Gait, range of motion, and hip strength usually come first, followed by graded running. Cutting, contact, and sport-specific training should wait for functional assessment.

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Sports-related back pain

Does a lumbar disc herniation in an athlete always require surgery?

Most lumbar disc herniations can start with non-operative treatment, including temporary reduction of provoking movements, pain control, and core and hip rehabilitation. Surgery is considered for progressive weakness, cauda equina symptoms, or persistent symptoms that seriously limit training and daily life despite structured care.

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Rotator cuff disease

Can a partial rotator cuff tear recover with rehabilitation?

A partial tear does not always need immediate surgery. When pain is manageable and strength loss is limited, treatment may begin with rotator cuff strengthening, scapular control, and range-of-motion work. Persistent night pain, clear weakness, or tear progression warrants reassessment for repair.

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Rotator cuff disease

Does calcific rotator cuff tendinitis always require surgery?

Most cases can first be treated with activity modification, anti-inflammatory pain control, rehabilitation, shockwave therapy, or ultrasound-guided needling and lavage. If pain keeps recurring, the deposit is large, or non-operative care fails, arthroscopic removal can be discussed.

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Training and recovery

Can insufficient sleep increase sports injury risk and slow recovery?

Insufficient sleep can reduce reaction speed, attention, and movement control and can interfere with muscle repair, pain regulation, and recovery after training. Athletes should keep a regular schedule and allow enough sleep for their training load. Persistent insomnia, marked daytime sleepiness, or snoring with pauses in breathing warrants assessment.

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Youth strength training

Can strength training stunt growth or damage growth plates in young athletes?

When supervised by a qualified adult, strength training with appropriate loads, sound technique, and gradual progression does not usually impair height development. The main risks come from unsupervised training, maximal-load attempts, poor technique, and equipment accidents. Maximum-lift testing should be avoided before skeletal maturity.

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Knee osteoarthritis

Can someone with knee osteoarthritis continue running or doing squats?

Many people with knee osteoarthritis can remain active, and strength training can improve pain, stability, and daily function. Running and squat depth should be adjusted to pain, swelling, range of motion, and previous training experience. Reduce the load or use lower-impact exercise when symptoms remain meaningfully worse after activity.

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Foot sports injury

What is turf toe after the big toe bends too far upward?

Turf toe is a sprain of the structures under the first metatarsophalangeal joint caused by excessive upward bending of the big toe. It is common in football, basketball, and dance and hurts during push-off, running, or rising onto the toes. Mild injuries may be protected with activity modification, taping, and a stiff-soled shoe; marked instability requires further assessment.

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Muscle injury

Could inner-thigh pain after kicking or changing direction be an adductor strain?

Yes. An adductor strain often occurs during sprinting, kicking, or rapid changes of direction. Pain is usually felt in the inner thigh or groin and worsens with squeezing the legs or moving sideways. Rehabilitation should progressively restore adductor strength, trunk control, and change-of-direction ability while excluding hip or bone stress injury.

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