Hand Flashcards
What are the muscle groups of the hand?
1) thenar group
2) hypothenar group
3) central group
palm of the hand (name)
palmar aponeurosis
O: Thenar group
carpal bones
I: Thenar group
bones of the thumb (1st metacarpal or the middle phalanx)
F: Thenar group
movement of the thumb
N: Thenar group
median nerve
O: Hypothenar group
carpal bones
I: Hypothenar group
fifth metacarpal bones or phalanges
F: Hypothenar group
flexion and abduction of little finger
N: Hypothenar group
ulnar nerve
What are the two muscle groups of the central group muscles?
1) lumbricals
2) interossei
O: Lumbricals
tendons of FTP
I: Lumbricals
middle and distal phalanges (fingers 2 and 4)
F: Lumbricals
flexion of metacarpophalangeal joints, papa movements (wave just the fingers forwards and backwards)
N: Lumbricals
median nerve and ulnar (half and half)
What are the interossei muscles?
1) Palmar interossei
2) Dorsal interossei
What are the origins of the interossei muscles?
metacarpal bones
O: Palmar interossei
metacarpal bones
I: Palmar interossei
middle and distal phalanges of fingers 2 to 4
F: Palmar interossei
adduction of fingers (move fingers towards middle fingers)
N: Palmar interossei
ulnar nerve
O: Dorsal interossei
metacarpal bones
I: Dorsal interossei
middle and distal phalanges of fingers 2 to 4
F: Dorsal interossei
abduction of fingers
N: Dorsal interossei
ulnar nerve
