Appendicular Skeleton

Appendicular Skeleton Bones of the upper and lower limbs Pectoral Girdle Clavicle Scapula Upper limb Pelvic Girdle Pelvic bone Lower limb

Pectoral girdle

Clavicle

Movement at the pectoral girdle

Upper limb Humerus Radius Ulna Carpal bones Metacarpal bones Phalanges

Bones of the forearm Radius Ulna Trochlear notch of ulna articulates with the trochlea and capitulum of humerus to form the elbow joint Distal radius forms the wrist joint with the carpal bones

Carpal Bones Scaphoid Lunate Triquetrum Pisiform Trapezium Trapezoid Capitate Hamate Some Lovers Try Positions That They Can’t Handle

Metacarpals and Phalanges Metacarpals numbered I – V starting with the thumb Phalanges are named proximal, middle, and distal Thumb (pollex) has only proximal and distal phalanges

Pelvic Girdle Hip bone Femur Tibia Fibula Tarsal Metatarsals Phalanges

Os Coxae (Hip bone) Formed from three fused bones Ilium Ischium Pubis Large center depression in the bone for articulation with the femur is the acetabulum

Pelvic openings

Greater (false) pelvis and True pelvis

Femur Longest and heaviest bone in the body Articulates proximally to form the hip joint and distally with the tibia to form the knee joint

Tibia and Fibula

Tarsus(Ankle) Seven bones of the ankle Talus Calcaneus Cuboid Navicular Medial, intermediate, lateral Cuneiform

Foot Five metatarsal bones Numbered I –V starting with the great toe (hallux) 14 phalanges with similar naming to the bones of the fingers