Muscles for Test #1 - Guess the muscle! Flashcards
Origin:
Short head: Coracoid Process
Long head: Supraglenoid tubercle of scapula
Biceps Brachii
Origin:
Spinous processes C7-T5
Rhomboid
Origin:
Inferior angle of the scapula, SP of T6-T12, last 3 or 4 ribs, thoracolumbar aponeurosis, and posterior iliac crest
Latissimus Dorsi
Origin:
Long Head: Infraglenoid tubercle of scapula
Lateral head: posterior surface of proximal half of the humerus
Medial head: posterior surface of distal half of the humerus
Triceps Brachii
Origin:
Surfaces of the first 8 or 9 ribs
Serratus Anterior
Origin:
Medial clavicle, lateral sternum, cartilages of ribs 2-6, aponeurosis of external oblique muscle
Pectoralis Major
Origin:
Distal half of anterior surface of humerus
Brachialis
Origin:
EOP, nuchal lines, nuchal ligament, SP of T7-T12, spinous ligament
Trapezius
Origin:
Inferior angle and lower 1/3 of lateral border of the scapula
Teres Major
Origin:
Coracoid Process of scapula
Coracobrachialis
Origin:
Lateral 1/3 of the clavicle, acromion, and scapular spine
Deltoid
Origin:
Supraspinous fossa of the scapula
Supraspinatus
Origin:
Lateral supracondylar ridge of humerus
Brachioradialis
Origin:
TP of C1-C4
Levator Scapula
Origin:
Infraspinous fossa of the scapula
Infraspinatus
Origin:
External surfaces of ribs 3, 4, and 5
Pectoralis Minor
Origin:
Upper 2/3s of lateral/axillary border of the scapula
Teres Minor
Origin:
Subscapular fossa of the scapula
Subscapularis
Insertion:
Lateral aspect of base of styloid process of the radius
Brachioradialis
Insertion:
Deltoid tuberosity of the humerus
Deltoid