Chp 10-Muscles That Move The Shoulder Flashcards
6 Muscles that move the shoulder
- Pectoralis major
- Deltoid
- Latissimus dorsi
- Coracobrachialis
- Teres major
- Serratus Anterior
Pectoralis major - O =
O: clavicle, sternum
Pectoralis major - I =
I: intertubercular groove
Pectoralis major - A =
A: ADduct & rotate internally humerus, assist flexion
Deltoid - O =
O: acromion process & clavicle
Deltoid - I =
I: deltoid tuberosity of humerus
Deltoid - A =
A: ABduct humerus 30-90 degrees , some ext & flex
Latissimus dorsi - O =
O: thoracodorsal fascia, T & L spinous processes, ilium
Latissimus dorsi - I =
I: intertubercular groove
Latissimus dorsi - A =
A: extend, internally rotate, ADduct arm
Coracobrachialis - O =
O: coracoid process of scapula
Coracobrachialis - I =
I: humeral shaft
Coracobrachialis - A =
A: shoulder flexion
Teres major - O =
O: scapula
Teres major - I =
I: intertubercular groove