Kine 2850 Quiz 8

Which muscle group is responsible for producing the powerful gripping movements of the hand?

intrinsic

The 8 carpal bones of the wrist are: scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, and hamate. (T/F)

True

What is the name of the finger joint between the distal phalanx and the middle phalanx?

distalinterphalangeal joint

Which muscles cause movement of the 5th finger

extensor digiti minimi

Which muscle extends the index finger concentrically?

extensor indicus

Which wrist ligament wraps around the posterior surface and acts to hold the flexor tendons in place?

extensor retinaculum

Around which axis does wrist flexion & extension occur?

frontal

abduction and adduction of the wrist occur in which plane of motion?

frontal

What are the symptoms of Carpal Tunnel Syndrome?

numbness, tingling

Like the other fingers, the thumb has a proximal, middle, and distal phalanx. (T/F)

False

The wrist has 4 degrees of freedom. (T/F)

False

Where are intrinsic muscles of the hand and wrist located?

origin, belly, and insertion