Hand Muscles Word Scramble
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Question | Answer |
What fills gaps between bones? | Superficial transverse metacarpal ligaments. |
Is the palmer skin bound tightly to the palmer apenerousis? | Yes, helps with grip. |
An osseofibrous canal formed by the carpal bones and the flexor retintatulum. | Carpal Tunnel |
Just prior to entering the carpal tunnel, the flexor tendons are surrounded by ____ _____ _____ ____? | Common tendon flexor sheath |
What usually has its own flexor sheath? | Flexor pollisis longus |
Where are the digital tendon sheaths locate? | On the phalanges |
What are the 4 intrinsic muscles of the hand? | 1.) Thenar muscles 2.) Hypothenar muscles 3.) Lumborical muscles 4.) Interossei muscles |
What are the 4 thenar muscles? | 1.) Abductor pollicis brevis 2.) Flexor pollicis brevis 3.) Opponens pollicis 4.) Adductos Pollices |
The muscles acting on thumb are _____ Muscles? | Thenar muscles |
Nerve of Abductor pollicis brevis? | Recurrent branch of median nerve |
Nerve of Flexor pollicis brevis? (Superficial head and deep head) | Superficial= (cant read the word..Recurrent, remnants?) of median nerve |
Nerve of opponens pollicis | Ulnar nerve |
nerve of Adductor pollicis | Ulnar nerve |
What are the 4 hypothenar muscles? | 1.) Palmaris Brevis 2.) Abductor digiti minimi 3.) Opponens digiti minini |
What innervates the all hypothenar muscles? | Ulnar nerve |
Origin of Palmaris brevis. | From medial aspect of flexor retinaculum and palmer apenerousis |
Insertion of Palmaris Brevis. | Into skin along medial side of palm |
Action of palmaris brevis. | Pulls skin along medial aspect of palm laterally thus deepening the hollow of the hand. |
What 2 hypothenar muscles originate at the flexor retinaculum and the hook of the hamate carpal bone? | -Flexor digiti minimi -Opponens digiti minimi |
Where does the abductor digiti minimi originate? | Pisiform carpal bone |
Which 2 hypothenar muscles insert at the base of proximal phalanx of little (5th) finger? | -Flexor digiti minimi -Abductor digiti minimi (ulnar side) |
Where does the opponens digiti minimi insert? | Ulnar border 5th metacarpal |
Actions of hand muscles do what their names say they do so don't be dumb. | |
What are the 4 lumborical muscles? | 2 lateral and 2 medial |
nerve of lateral lumboricals? | Median nerve |
nerve of medial lumboricals? | Ulnar nerve |
Origin of lumboricals. | Tendons of flexor digitorum brevis |
Insertion of lumboricals. | Extensors expansion |
Action of lumboricals | Flex at MP joint and extension at DIP and HIP joints |
What is the deepest intrinsic muscles of the hand? | Interossei muscles |
What are the 7 interossei muscles? | -Palmer Interossei (3) -Dorsal Interossei (4) |
Action of Palmer interossei | -Adduction of 2nd, 4th, 5th digits -Assists lumboricals |
Action of Dorsal interossei | Abduction 2,3,and 4th digits |
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