muscle ID 1 for a&p lab

Masseter – Origin

Zygomatic arch

Masseter – Insertion

Angle of mandible

Sternocleidomastoid – Origin

Manubrium of sternum & medial clavicle

Sternocleidomastoid – Insertion

Mastoid process of temporal bone

Rectus abdominis – Origin

Pubic bones

Rectus abdominis – Insertion

Costal cartilages of inferior ribs and xiphoid process

Serratus anterior – Origin

1st 9 ribs

Serratus anterior – Insertion

Medial border of scapula

Latissimus dorsi – Origin

Iliac crest; Thoracic & lumbar vertebrae

Latissimus dorsi – Insertion

Intertubular groove

Deltoid – Origin

1) Lateral clavicle 2) Acromion 3) Spine of scapula

Deltoid – Insertion

Deltoid tuberosity of humerus

Supraspinatus – Origin

Supraspinous fossa of scapula

Supraspinatus – Insertion

Greater tubercle of humerus

Infraspinatus – Origin

Infraspinous fossa of scapula

Infraspinatus – Insertion

Greater tubercle of humerus

Subscapularis – Origin

Subscapular fossa of scapula

Subscapularis – Insertion

Lesser tubercle of humerus

Biceps brachii – Origin

Coracoid process and supraglenoid tubercle of scapula

Biceps brachii – Insertion

Radial tuberosity

Brachialis – Origin

Distal half of diaphysis of the anterior humerus

Brachialis – Insertion

Coronoid process of ulna