Insertion and Origin Flashcards
Pectoralis Major
O: Sternal head, Clavicular head
I: Lateral lip of intertubercular groove
Pectoralis Minor
O: Anterior surface of ribs
I: Coracoid process
Anterior Deltoid
O: Lateral clavicle
I: Deltoid tuberosity of humerus
Biceps Brachii
O: Long head=Supraglenoid tubercle of scapula
Short head=Coracoid process of scapula
I: Radial tuberosity
Coracobrachialis
O: Coracoid process of scapula
I: Anteromedial humerus
Trapezius
O: external occipital protuberance and ligamentum nuchae Spinous processes of thoracic vertebrae I: lateral third of clavicle acromion process spine of scapula
Posterior Deltoid
O: Spine of scapula
I: Deltoid tuberosity of humerus
Middle Deltoid
O: Acromion process
I: Deltoid tuberosity of humerus
Latissimus Dorsi
O: Spinous processes of thoracic and lumbar vertebrae via thoracolumbar fascia; iliac crest
I: Medial lip of intertubercular groove
Levator Scapulae
O: Transverse processes of cervical vertebrae
I: Superior angle of scapula
Rhomboids - Minor and Major
O: C7 and thoracic vertebrae
I: Medial border of scapula
Serratus Anterior
O: Anterolateral ribs
I: Medial border and inferior angle of scapula
Subscapularis
O: Subscapular fossa
I: Lesser tubercle of humerus
Supraspinatus
O: Supraspinous fossa
I: Greater tubercle of humerus
Infraspinatus
O: Infraspinous fossa
I: Greater tubercle
Teres Minor
O: Lateral border of scapula
I: Greater tubercle
Teres Major
O: Inferior angle of scapula
I: Medial lip of intertubercular groove
Triceps Brachii - Long Head
O: Infraglenoid process of scapula
I: Olecranon process
Brachialis
O: Distal anterior humerus
I: Ulnar tuberosity
Brachioradialis
O: Lateral supracondylar ridge of humerus
I: Styloid process of radius
Triceps Brachii - Lateral head
O: proximal posterolateral humerus
I: Olecranon process
Triceps Brachii - Medial head
O: Distal posteromedial humerus
I: Olecranon process