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Doctor insights on: What Is Structure And Function Of A Joint Capsule

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Dr. Arnold Beresh
Board Certified, Podiatry
35 years in practice
34M people helped
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What is the function of a joint capsule?

What is the function of a joint capsule?

See below: It encapsulates the end of 2 bones that from the joint and holds in the synovial fluid which bathes the joint. ...Read more

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Dr. Jonathan Jassey
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Dr. Stratos Christianakis
1,190 doctors shared insights

Joints (Definition)

Joints are parts of the body, formed by the cartilage-covered ends of bones plus the strong, flexible ligaments that attach the bones to one another. Movements at the joints in the body allow the different parts of the body to move in ...Read more


Dr. Jeff Budoff
Board Certified, Orthopedic Surgery
26K people helped
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What is the main function of the joint capsule?

What is the main function of the joint capsule?

To Stabilize Joints: The joint capsule provides joint stability. If injured it can lead to stiffness and may then be surgically removed, without compromising stability as long as the joint's ligaments are kept intact. While this seems counterintuitive, it's because joints can undergo changes that turn the capsule from a necessary structure to a problem that is best removed (it regrows back more normal). ...Read more

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Dr. Jonathan Jassey
Board Certified
11 years in practice
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Dr. Steven Brown
Board Certified, Hand Surgery
33 years in practice
708K people helped
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3mm lump on epl tendon snags painfully at pip on slight flexion. Any excision risks? Fluid escape from joint capsule? Cause ganglion? Other risks?

3mm lump on epl tendon snags painfully at pip on slight flexion. Any excision risks? Fluid escape from joint capsule? Cause ganglion? Other risks?

Real cause?: Epl tendon inserts at the base of the middle phalynx so central slip snagging at pip joint is more likely a tear in fibers extending from lateral band to central slip causing abnormal shift of tendons. There is no structure that central slip [epl] would get caught on. Lump is most likely scar. Recommend splinting protocol first before considering any surgery. F/u with hand surgeon. ...Read more

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Dr. John Michalski
Board Certified, Orthopedic Surgery
30 years in practice
9M people helped
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Dr. Jonathan Jassey
Board Certified
11 years in practice
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Dr. Stephen Daquino
Board Certified, Sports Medicine
15 years in practice
535K people helped
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Do all joints have a joint capsule?

Do all joints have a joint capsule?

No: A synovial joint has a capsule surrounding it. These are joints like the shoulder, knee, hip and many many others. There are also fibrous joints (like the sutures in the skull) and cartilaginous joints (like where the ribs meet the sternum). Each of these kinds of joints have numerous subtypes as well. ...Read more

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Dr. Wenjay Sung
Board Certified, Podiatry
8 years in practice
2M people helped
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Would a fx of the lateral malleolus with partially torn aftl and deltoid ligs and soft tissue injury in joint capsule be described as bimalleor ?

Would a fx of the lateral malleolus with partially torn aftl and deltoid ligs and soft tissue injury in joint capsule be described as bimalleor ?

Bimal equival: A single fracture of the lateral malleolus with a displaced, torn deltoid ligament can be described as a bimalleolar equivalent. It's not truly a bimalleolar fracture because there is only one "true" fracture, but because of the deltoid injury/joint displacement, it's treated as a more serious ankle fracture injury. ...Read more

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Dr. Ali Elkhalil
Board Certified, Podiatry
16 years in practice
266K people helped
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I have a torn big toe joint capsule and did PRP 10 weeks ago. Stil not healed. Can I deep tissue masage it and take comfrey (anti-inflam?) and silica?

I have a torn big toe joint capsule and did PRP 10 weeks ago. Stil not healed. Can I deep tissue masage it and take comfrey (anti-inflam?) and silica?

Why prp : I don't believe prp is FDA approved for this type of injury. Please ask you doctor. Capsule injury usually heal after 21 days of immobilization ...Read more

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Dr. Valentin Drezaliu
Board Certified, Obstetrics and Gynecology
14 years in practice
3M people helped
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Dr. Paul Cohen
Board Certified, Family Medicine
22 years in practice
2M people helped
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Dr. Anthony LaBarbera
Board Certified, Pediatrics
22 years in practice
6M people helped
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Dr. Jonathan Jassey
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