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forearm, wrist, hand jeopardy review
Terms in this set (25)
The metacarpophalangeal (MCP) joints are what type of synovial joint?
Skiers who fall and land with their hand over the pole handle are at risk for spraining what ligament?
Ulnar collateral ligament
What is the functional classification for the middle radioulnar joint?
What wrist ligament limits full extension of the hand?
palmar radiocarpal ligament
The majority of hand extension range of motion comes from what joint?
What wrist ligament limits ulnar deviation of the hand?
Radial collateral ligament
The interphalangeal (IP) joints are what type of synovial joint?
The anterioposterior axis of the wrist is located through which carpal bone?
What is the primary function of the middle radioulnar joint?
Transfer of force
What 3 carpal bones are part of the radiocarpal joint?
scaphoid, lunate, triquetrum
All of the superficial wrist flexor muscles originate where?
medial epicondyle of the humerus
The flexor digiti minimi and opponens digiti mini are part of what muscle group?
What muscle inserts into the palmar aponeurosis?
The extensor carpi ulnaris and the flexor carpi ulnaris both have what function in common?
The abductor pollicis brevis and flexor pollicis brevis are part of what muscle group in the hand?
Thenar eminence group
What are 2 functions of the flexor digitorum superficialis?
flexes hand at wrist; flexes fingers 2-5 at MCP & PIP joints
What muscle inserts on the palmar side of the distal phalanges 2-5?
Flexor digitorum profundus
What muscle extends all of the joints of the thumb?
Extensor Pollicus Longus
What muscle inserts on the posterior side of the middle and distal phalanges 2-5
What function does the flexor digitorum profundus have that the flexor digitorum superficialis muscle does not?
flexion of DIP joints 2-5
The reference line for abduction and adduction of the phalanges at the MCP joints is drawn where?
True or false: Carpometacarpal joints 2 & 3 allow for more movement than CMC joints 4 & 5
False; 2 & 3 are plane non-axial and 4 & 5 are saddle biaxial
What is the name of the piece of cartilage located on the distal ulna that assits in stabilizing the radiocarpal joint?
What is the name of the ligament that forms the roof of the carpal tunnel?
transverse carpal ligament
What nerve is often impinged in carpal tunnel syndrome?
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