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  2. Extensor tendon compartments of the wrist - Wikipedia

    en.wikipedia.org/wiki/Extensor_tendon...

    Any movement of the thumb and wrist causes the patient pain, inflammation and swelling. The presence of anomalous or variant muscles in the fourth compartment may result in chronic dorsal wrist pain, a condition known as the fourth compartment syndrome. [4] Intersection syndrome can be caused by direct trauma to the second extensor compartment.

  3. Myotome - Wikipedia

    en.wikipedia.org/wiki/Myotome

    A myotome is the group of muscles that a single spinal nerve innervates. [1] Similarly a dermatome is an area of skin that a single nerve innervates with sensory fibers. Myotomes are separated by myosepta (singular: myoseptum). [2] In vertebrate embryonic development, a myotome is the part of a somite that develops into muscle.

  4. Posterior compartment of the forearm - Wikipedia

    en.wikipedia.org/wiki/Posterior_compartment_of...

    The extensor indicis proprius usually runs and inserts onto the ulnar side of the extensor digitorum communis of the index finger. [4] The fifth compartment is occupied by the extensor digiti minimi, the extensor of the little finger. The extensor carpi ulnaris passes through the sixth compartment to insert to the base of the fifth metacarpal bone.

  5. Extensor carpi radialis brevis muscle - Wikipedia

    en.wikipedia.org/wiki/Extensor_carpi_radialis...

    Humerus at the anterior of lateral epicondyle (common extensor tendon) [1] Insertion: Posterior base of the 3rd metacarpal [1] Artery: Radial artery: Nerve: Deep branch of the radial nerve: Actions: Extensor and abductor of the hand at the wrist joint [1] Antagonist: Flexor carpi ulnaris muscle: Identifiers; Latin: musculus extensor carpi ...

  6. Remitting seronegative symmetrical synovitis with pitting edema

    en.wikipedia.org/wiki/Remitting_seronegative...

    [10] [11] [12] Other underlying disorders include vasculitides such as polyarteritis nodosa. [8] Other causes of edema include heart failure, hypoalbuminemia, nephrotic syndrome and venous stasis. The key distinguishing feature is that these conditions don't tend to manifest with pitting edema at the back of the hands.

  7. Compartment syndrome - Wikipedia

    en.wikipedia.org/wiki/Compartment_syndrome

    They are known as the "5 Ps": pain, pallor, decreased pulse, paresthesia, and paralysis. [6] Pain and paresthesia are the early symptoms of compartment syndrome. [19] [6] Common symptoms are: Pain: A person may feel pain greater than the exam findings. [6] This pain may not be relieved by strong painkillers, including opioids like morphine. [20]

  8. Ganglion cyst - Wikipedia

    en.wikipedia.org/wiki/Ganglion_cyst

    The cysts may intrude into the spine, which may cause pain and dysesthesia in distant extremities. [ 20 ] Cystic adventitial disease , in which a cyst occurs within the popliteal artery near the knee, has been proposed recently to occur by an articular mechanism, with a conduit leading from the joint, similar to the development of ganglion ...

  9. Common extensor tendon - Wikipedia

    en.wikipedia.org/wiki/Common_extensor_tendon

    Lateral elbow pain can be caused by various pathologies of the common extensor tendon. [3] Overuse injuries can lead to inflammation. [4] [5] Tennis elbow is a common issue with the common extensor tendon. [6] [4] [7]