7-1 Appendicular Skeleton Girdles –Pectoral or shoulder –Pelvic Upper Limbs –Arm (brachial) –Forearm –(Radius and Ulna) –Wrist (carpal) –Hand (manual) Lower Limbs –Thigh (femoral) –Leg –(tibia and fibula) –Foot (pedal) Fig. 7.1

7-2 Pectoral Girdle Scapula (2) –Acromion process Forms protective cover Attachment for clavicle Attachment for muscles –Coracoid process Attachment for muscles –Glenoid cavity/fossa Articulates with humerus Clavicle (2) Fig. 7.24

7-3 Arm Humerus –Head –Tubercles Greater and lesser –Intertubercular groove –Capitulum Articulates with the cupshaped depression on the head of the radius –Trochlea Articulates with olecronon process of the ulna –Epicondyles Attachment of forearm muscles Fig. 7.25

7-4 Forearm Radius –Thumb side –Head –Styloid process Ulna –Little finger side –Trochlear notch –Olecranon process –Radial notch –Styloid process Fig. 7.26

7-5 Wrist and Hand Wrist –8 carpal bones –Sally Left The Party To Take Cathy Home Scaphoid Lunate Triquital Pisiform Trapezium Trapezoid Capitate Hamate Fig. 7.27

7-6 Pelvis Coxae: Right and Left –Ilium –Ischium Sit down bone –Pubis Symphysis pubis Acetabulum Obturator foramen Sacrum Fig Fig. 7.31

7-7 Thigh Femur –Head –Neck –Trochanters Greater and lesser –Condyles Medial and lateral –Epicondyles Medial and lateral ___________________ or kneecap Fig. 7.34

7-8 Leg Tibia –Larger and supports most of weight –Tibial tuberosity –Medial malleolus Fibula –Articulates with tibia not femur –Lateral malleolus Fig. 7.36

7-9 Foot Tarsals (7) –Talus (ankle bone) –Navicular –Medial Cuneiform –Intermediate Cuneiform –Lateral Cuneiform –Cuboid –Calcaneus (heel) Fig. 7.38

7-10 Points to Remember Appendicular skeleton includes bones of upper and lower limbs and pectoral and pelvic girdles Pectoral girdle and upper limb held in place largely by muscles Pelvic girdle has strong articulation with sacrum to help support weight of body

7-11 Questions?