Anatomy: Rotator Cuff Flashcards
1
Q
The 4 Rotator Cuff Muscles
A
- Supraspinatus
- Infraspinatus
- Teres Minor
- Subscapularis
2
Q
Latissimus Dorsi Origin
A
Inferior angle of scapula, SP’s of last 6 thoracic vertebrae, last 3-4 ribs, thoracolumbar apo., posterior iliac crest
3
Q
Latissimus Dorsi Insertion
A
Intertubercular groove of humerus
4
Q
Latissimus Dorsi Actions
A
- Extends shoulder
- Adducts shoulder
- Medially rotates the humerus
5
Q
Latissimus Dorsi Texture and Depth
A
- Non-ropy
- Superficial
6
Q
Deltoid Origin
A
Lateral 1/3 of clavicle, acromion and spine of scapula
7
Q
Deltoid Insertion
A
Deltoid Tuberosity
8
Q
Deltoid Action of ALL Fibers
A
Abducts shoulder
9
Q
Deltoid Actions of Posterior Fibers
A
- Extend shoulder
- Laterally rotate shoulder
- Horizontally abduct GH
10
Q
Deltoid Actions of Anterior Fibers
A
- Flex shoulder
- Medially rotate shoulder
- Horizontally adduct GH
11
Q
Deltoid Texture and Depth
A
- Non-Ropy
- Superficial
12
Q
Supraspinatus Origin
A
Supraspinous Fossa of Scapula
13
Q
Supraspinatus Insertion
A
Greater Tubercle of Humerus
14
Q
Supraspinatus Actions
A
- Abduct shoulder
- Stabilizes head of humerus in glenoid cavity
15
Q
Supraspinatus Texture and Depth
A
- Non-ropy
- Deep
