Epicranius O: Occipital bone I: Skin and muscles around eye F: Raises eyebrow

Temporalis O: Temporal bone I: Coronoid process and lateral surface of mandible A: Closes (elevates) jaw

Masseter O: Lower border of zygomatic arch I: Lateral surface of mandible A: Closes (elevates) jaw

Sternocleidomastoid O: Anterior surface of sternum O: Upper surface of clavicle I: Mastoid process of temporal bone A: Pulls head to one side or to chest

Sternocleidomastoid

Trapezius O: Occipital bone O: Spines of cervical and thoracic vertebrae I: Clavicle I: Spine and acromion process of scapula A: Moves scapula

Serratus Anterior O: Outer surface of upper ribs I: Ventral surface of scapula A: Pulls scapula anteriorly and inferiorly

Pectoralis Major O:Clavicle, sternum, and costal cartilages of upper ribs I: Intertubercular groove of humerus A: Internal rotation, adduction, horizontal adduction of arm

Latissimus Dorsi O: Spines of sacral, lumbar, and lower thoracic vertebrae O: Iliac crest O: Lower ribs I: Intertubercular groove of humerus A: Pulls shoulder down and back

Deltoid O: Acromion process O: Spine of scapula O: Clavicle I: Deltoid tuberosity of humerus A: Abducts arm A: Extends or flexes humerus

Deltoid

Supraspinatus O: Posterior surface of scapula I: Greater tubercle of humerus A: Abducts arm

Supraspinatus

Infraspinatus O: Posterior surface of scapula I: Greater tubercle of humerus F: Rotates arm laterally (external rotation)

Infraspinatus

Subscapularis O: Anterior surface of scapula I: Lesser tubercle of humerus A: Rotates arm medially (internal rotation)

Teres Minor O: Lateral border of scapula I: Greater tubercle of humerus A: Rotates arm laterally (external rotation)

Terres Minor

Rotator Cuff Supraspinatus Subscapularis S-Supraspinatus Terres Minor I-Infraspinatus T-Terres Minor S-Subscapularis Terres Minor Infraspinatus

Biceps Brachii O: Coracoid process of scapula O: Tubercle above glenoid cavity of scapula I: Radial tuberosity of radius A: Flexes elbow and shoulder; supinates forearm

Biceps Brachii

Triceps Brachii O: Tubercle below glenoid cavity of scapula O: Lateral and medial borders of humerus I: Olecranon process of ulna A: Extends elbow

Triceps Brachii

External Oblique O: Outer surfaces of lower ribs I: Outer lip of iliac crest and linea alba A: Tenses abdominal wall

Rectus Abdominus O: Crest of pubis and symphysis pubis I: Xiphoid process of sternum and costal cartilages A: Tenses abdominal wall; flexes trunk

Want a Six Pack? Linea Alba Internal Oblique External Oblique Transverse Abdominus External Oblique Rectus Abdominus

Gluteus Maximus O: Sacrum, coccyx, and posterior surface of ilium I: Posterior surface of femur and fascia of thigh A: Extends hip

Tensor Fascia Latae O: Anterior iliac crest I: Fascia of thigh A: Abducts, flexes, and rotates thigh laterally (internal rotation)

Gracilis O: Lower edge of symphysis pubis I: Medial surface of tibia A: Adducts thigh, flexes and rotates lower limb medially

Biceps Femoris O: Ischial tuberosity and posterior sufrace of femur I: Head of fibula nad lateral condyle of tibia A: Flexes leg, extends thigh

Semitendonosis O: Ischial tuberosity I: Medial surface of tibia A: Flexes leg; extends thigh

Semimembranosis O: Ischial tuberosity I: Medial condyle of tibia A: Flexes leg; extends thigh

Hamstring Group Biceps Femoris Semitendonosis Semimembranosis

Sartorius O: Anterior superior iliac spine I: Medial surface of tibia A: Flexes leg and thigh, abducts thigh, rotates thigh laterally, and rotates leg medially

Rectus Femoris O: Spine of ilium and margin of acetabulum I: Patellar tendon to tibial tuberosity A: Extends leg at knee

Vastus Lateralis O: Greater trochanter and posterior surface of femur I: Patellar tendon to tibial tuberosity A: Extends leg at knee

Vastus Medialis O: Medial surface of femur I: Patellar tendon to tibial tuberosity A: Extends leg at knee

Vastus Intermedius O: Anterior and lateral surfaces of femur I: Patellar tendon to tibial tuberosity A: Extends leg at knee

Quadriceps Group Rectus Femoris Vastus Intermedius Vastus Medialis Vastus Lateralis

Soleus O: Head and shaft of fibula; posterior surface ot tibia I: Posterior surface of calcaneus A: Plantar flexion of foot

Gastrocnemius O: Lateral and medial condyles of femur I: Posterior surface of calcaneus A: Plantar flexion of foot A: Flexion of leg at knee

Triceps Surae Gastrocnemius Gastrocnemius Soleus Soleus