5 Muscle Definitions (Upper) Flashcards
1
Q
Origin of Rectus Abdominis
A
- Symphysis Pubis
- Pubic Crest
2
Q
Insertion of Rectus Abdominis
A
- Xiphoid Process
- Inferior Ribs
3
Q
Function of Rectus Abdominis
A
- Flex trunk
- Aids in expiration, defecation, child birth
4
Q
Origin of Pectoralis Major
A
- Upper part from clavicle
- Lower part from Sternum/Costal Cartilage
- Abdominal part from External Obliques
5
Q
Insertion of Pectoralis Major
A
Lateral lip of the intertubecular groove
6
Q
Function of Pectoralis Major
A
- Internal arm rotation
- Adduction
- Arm flexion
7
Q
Origin of Latissimus Dorsi
A
Lumbar and lower thoracic spine
8
Q
Insertion of Latissimus Dorsi
A
Intertubecular groove under the tendon of Pectoralis major
9
Q
Function of Latissimus Dorsi
A
- Internal arm rotation
- Adduction
- Arm extension
10
Q
Origin of Deltoid
A
- Acromion Process
- Clavicle
- Scapular Spine
11
Q
Insertion of Deltoid
A
- Deltoid Tuberosity of Humerus
12
Q
Function of Deltoid
A
- Rotate shoulder
- Arm abduction
- Extend and laterally rotate arm
13
Q
Origin of Biceps Brachii
A
- Short head on coracoid process
- Long head on supraglenoid tubercle
14
Q
Insertion of Biceps Brachii
A
- Radial Tuberosity
15
Q
Function of Biceps Brachii
A
- Forearm Supinator
