KP221 Lecture Notes - Lecture 17: Opponens Digiti Minimi Muscle Of Hand, Abductor Pollicis Longus Muscle, Flexor Pollicis Brevis Muscle

• School: WLU
• Department: Kinesiology & Physical Education
• Course: KP221
• Professor: Michael Cinelli

Document Summary

Movement of little finger: flexion flexor digiti minimi brevis & abductor digiti minimi, abduction flexor digiti minimi brevis & abductor digiti minimi, opposition opponens digiti minimi. Involves muscles that are innervated by median and ulnar nerves: for strong grip wrist needs to be slightly extended. Hook grip: fingers flexed at ip joints (contraction of long flexors, mp joints remain in extension, (cid:862)hook(cid:863) is (cid:272)reated (cid:271)y fingers, object rests against middle phalanges, does not involve thumb. Spherical grip: mp & ip joints of fingers and thumb are flexed, digits abducted to surround object, palm may not be in contact with object. Tip-to-tip grip: tips of thumb and finger grasp object, mp & ip joints of thumb & finger are flexed. Tip-to-pad grip: pad of index is in opposition to pad of thumb. Ip joints of thumb and distal ip joint of finger are flexed.