Shoulder And Upper Arm Anatomy Flashcards
1
Q
A
Short head biceps brachii
Action:
- Flexion and supination of the elbow
2
Q
A
Biceps brachii long head
Action:
- Flexion and supination of the elbow
3
Q
A
Coracobrachialis
Action:
- Flexion and adduction of the humerus
- Assists in retained the head of the humerus in contact with the glenoid
4
Q
A
Brachioradialis
Action:
- Flexion of elbow, supination and pronation of forearm
5
Q
A
Brachialis
Action:
- Flexion of elbow joint
6
Q
A
Teres Minor
Action:
- External rotation of the arm
- Adduction of the arm
7
Q
A
Infraspinatus
Action:
- External rotation of the arm
8
Q
A
Supraspinatus
Action:
- Abduction of the arm
9
Q
A
Subscapularis
Action:
- Internal rotation of the arm (primary)
- Extension and adduction of the arm (in certain positions)
10
Q
A
Teres Major
Action:
- Internal rotation of the arm
- Adduction of the arm
- Extension of the arm
11
Q
A
Triceps Brachii Long Head
Action:
- Extension of the shoulder joint
- Adduction of the shoulder joint
- Extension of the elbow joint
12
Q
A
Triceps Brachii Lateral Head
Action:
- Extension of the elbow joint
13
Q
A
Triceps Brachii Medial Head
Action:
- Extension of the elbow joint
14
Q
A
Pectoralis minor
Action:
- Pulls the scapula medially, forwards and downwards
- Aids in respiration
15
Q
A
Pectoralis Major
Action:
- Adduction of the arm
- Internal rotation of the arm
- Flexion of the arm
- Assists with respiration
16
Q
A
Deltoid
Action:
- Abduction of the arm
- Flexion and internal rotation (anterior fibres)
- Extension and external rotation (posterior fibres)
17
Q
A
Latissimus Dorsi
Action:
- Extension of the arm
- Adduction of the arm
- Internal rotation of the arm
- Aids in respiration
