Shoulder Mm. Flashcards
What is the ORIGIN of the deltoid m.?
Outer 3rd of clavicle, top of acromion, scapular spine
What is the INSERTION of the deltoid muscle?
Deltoid tubersoity of humerus
What are the ACTIONS of:
-anterior delt
-middle delt
-posterior delt
-flexion, horizontal adduction
-abduction, horizontal abduction
-extension, horizontal abduction
The INSERTION of the pectoralis major m. Is?
Lateral humerus just below the head
The ORIGIN of the supraspinatus muscle is?
Supraspinatus fossa
The INSERTION of the supraspinatus muscle is?
Greater tuberosity of humerus
The ACTIONs of the supraspinatus m. Is?
Stabilizing the shoulder joint, abduction
The ORIGIN of the coracobrachialis is?
Coracoid process of the scapula
The INSERTION of the coracobrachialis is?
Middle anterior humerus
The ACTION of the coracobrachialis is?
Horizontal adduction of shoulder joint
The ORIGIN of the latissimus dorsi muscle is? (Mouthful)
-lower 6 thoracic vertebrae
-all lumbar vertebrae
- lower 3 ribs
- posterior sacrum
- iliac crest
The INSERTION of the latissimus dorsi is?
Anterior humerus
The ACTION of the latissimus dorsi is?
Abduction, extension
The ORIGIN of the teres major m. Is?
Lower, dorsal, lateral scapula
The INSERTION of the teres major m. Is?
Anterior humerus
The ACTION of the teres major muscle is?
Extension, medial rotation, adduction
The ORIGIN of the infraspinatus m. Is?
Infraspinous fossa
The INSERTION of the infraspinatus m. Is?
Greater tubercle of the humerus
What are the ACTIONS of the infraspintatus m.?
Lateral rotation, horizontal abduction
The ORIGIN of the teres minor m. Is?
Posterior, lateral border of scapula
