Appendicular Skeleton Ch. 8

Appendicular Skeleton 126 bones Limbs Girdles Allows us to move and manipulate objects

Pectoral girdle

Clavicle Scapula Acromion process Articulates with clavicle Coracoid process Provides attachment for limb and chest muscles Glenoid cavity Articulates with the head of the humerus Pectoral girdle

Pectoral Girdle 2 Clavicle Collarbones 2 Scapulae Shoulder Blades

Upper limb Humerus Head Medial epicondyle Lateral epicondyle Olecranon fossa Radius Ulna Olecranon process Coronoid Process Hand Carpals Metacarpals Phalanges

Upper Limbs

Pelvic Girdle

Pelvic girdle Also known as the Pelvis Functions Support, attachment points, and protect organs Pelvis is divided into 2 parts Os Coxa Ilium Largest, most superior portion of the Os Coxa Ischium Inferior portion of the Os Coxa Pubis Most anterior portion of the Os Coxa Acetabulum Portion of the Os Coxa that articulates with the head of the Femur

Lower limb Femur Patella Tibia Fibula Foot

Femur Head Neck Greater trochanter Lesser trochanter Shaft Medial condyle Lateral condyle Patellar surface

Tibia fibula Tibia Medial Malleolus Fibula Lateral Malleolus

Foot Tarsals Calcaneus Metatarsals Phalanges