Unit 4 - Biomechanics of the upper limb and spine

Question 1

4 art of shoulder joint?

Answer 1

glenohumeral, sternoclavicular, acromioclavicular, scapulothoracic

Question 2

ligament attached to clavicle which rotates during elevation and compression called the costoclavicuar

Answer 2

y

Question 3

bones of hand?

Answer 3

scapohid, lunate, triquetrum, pisiform, trezium, trapezoid, capitate, hamate

Question 4

lever arm of the flexor capri ulnaris muscle increased by the ?

Answer 4

pisiform

Question 5

where does most wrist extension occur?

Answer 5

radiocarpal joint

Question 6

maximum amount of flexion at knuckles goes down from little finger (95 - 100 degrees) to index finger (about 70 degrees)

Answer 6

the loading of the spine increases as the moment arm of the upper body weight increases