Connective tissue, joint stability, and your injury

Originally published July 14, 2019 · Adapted October 27, 2026

The musculoskeletal system includes bones, joints, muscles, tendons, ligaments, and other tissues. Tendons connect muscle to bone, while ligaments help connect and stabilize bones at a joint. An injury to one structure may call for a different approach than an injury to another.

Describe more than pain

Tell your physician about swelling, catching, weakness, a feeling that a joint gives way, or a change in how you move. Explain whether the concern followed a single event or developed with repeated activity. These details help guide the examination and decisions about further assessment.

Instability needs its own assessment

A joint that feels unstable is a reason to clarify the diagnosis. Do not assume that every episode of pain reflects a stretched ligament or that an injection alone will restore stability. The type and severity of injury, associated damage, and your activity demands all matter.

Ask how rehabilitation fits

Discuss which movements are safe, whether bracing or a rehabilitation referral is appropriate, and how your plan will be reviewed. Your clinician should explain when a specialist assessment or surgical opinion is needed.

Considering regenerative care?

Ask what tissue is being targeted and what evidence supports the proposed treatment for that diagnosis. A biologic rationale is not the same as proof of clinical benefit. A clear plan should also address alternatives, recovery, follow-up, and the activities you want to return to.

Patient information: AAOS collateral ligament injury guide ↗. Evidence and suitability depend on the individual condition.

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