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A bursa is a sac filled with fluid to protect the tendons (plural bursae).

A bursa is an expansion of synovial membrane that is found at sites of potential friction, ie. between your Achilles tendon and your calcaneus (heel bone).

Bursae are lubricated on their inner walls by synovial fluid. By rolling between two structures, bursae keep friction to a minimum and prevent damage.

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What is the most important and most commonly injured bursa of the shoulder joint?

The subacromial bursa is both the most important bursa in the shoulder joint for reducing friction and the most commonly injured. Inflammation of this bursa, known as subacromial bursitis, can cause pain and restricted motion in the shoulder.


Can bursa sac regenerate?

Bursa sacs do not have the ability to regenerate once they are damaged or injured. However, they can heal through rest, reducing inflammation, and avoiding activities that aggravate the injury. In some cases, medical interventions such as corticosteroid injections or surgery may be needed to treat severe bursa sac damage.


How do you get bursa fluid on your elbow to dissolve?

Bursa fluid in the elbow typically resolves on its own as the body reabsorbs the fluid. Resting the elbow, applying ice, and avoiding repetitive movements that aggravate the bursa can help reduce inflammation and speed up the healing process. In some cases, a healthcare provider may recommend draining the bursa fluid or prescribing anti-inflammatory medication to help reduce swelling.


Sam was experiencing pain in his shoulder as a result of inflammation to the fibrous sac that acts as a cushion to ease movement What is this fibrous sac called?

The fibrous sac that acts as a cushion to ease movement is called a bursa. Inflammation of the bursa is known as bursitis and can result in pain and discomfort.


What is the small sack of synovial fluid called?

A bursa (plural bursae) is a fibrous, fluid-filled sac found near synovial joints that helps decrease friction near a joint.