Muscle Actions (Hand and Arm) Flashcards
1
Q
Pronator Teres
A
- flexion at every joint proximal to their insertion (including elbow)
- pronation of forearm
2
Q
Flexor Carpi Radialis
A
- flexion at every joint proximal to their insertion (including elbow)
- abduction at wrist
3
Q
Palmaris Longus
A
- flexion at every joint proximal to their insertion (including elbow)
4
Q
Flexor Carpi Ulnaris
A
- flexion at every joint proximal to their insertion (including elbow)
- adduction at wrist
5
Q
Flexor Digitorum Superficialis
A
- flexion at every joint proximal to their insertion (including elbow)
6
Q
Flexor Digitorum Profundus
A
- flexion at every joint proximal to their insertion (not including elbow)
7
Q
Flexor Pollicis Longus
A
- flexion at every joint proximal to their insertion (not including elbow)
8
Q
Pronator Quadratus
A
- pronation of forearm
9
Q
Abductor Pollicis Brevis
A
- Abduction of thumb
- Assists in opposition of thumb
10
Q
Flexor Pollicis Brevis
A
- Flexion of thumb
11
Q
Opponens Pollicis
A
- Opposition of thumb
12
Q
Adductor Pollicis
A
- Adduction of thumb
13
Q
Abductor Digiti Minimi
A
- Abduction of digit 5
14
Q
Flexor Digiti Minimi
A
- Flexion of proximal phalanx of digit 5
15
Q
Opponens Digiti Minimi
A
- Opposition of digit 5
16
Q
Lumbricals
A
- Flexion of digits at MCP joints
- Extension of digits at IP joints
17
Q
Dorsal Interossei (1 – 4)
A
- Abduction of digits from axial line
- Flexion of digits at MCP joints
- Extension of digits at IP joints
18
Q
Palmar Interossei (1 – 3)
A
- Adduction of digits from axial line
- Flexion of digits at MCP joints
- Extension of digits at IP joints
19
Q
Supinator
A
Supinates forearm
20
Q
Brachioradialis
A
Flexion at elbow (weak)
