appendicular skeleton

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  • 1. Appendicular Skeleton (pg 8)

2. Appendicular Skeleton (pg 8) 126 bones 3. Appendicular Skeleton (pg 8) 126 bones Arms and legs plus the girdles that attachthem to the axial skeleton 4. Pectoral GirdleAttaches arm to body 5. Pectoral GirdleAttaches arm to body1. Clavicle: Collarbone. S-shaped. Articulates with the manubrium of sternum and scapula 6. Pectoral GirdleAttaches arm to body1. Clavicle: Collarbone. S-shaped. Articulates with the manubrium of sternum and scapula2. Scapula: Shoulder blade. Thin, flat triangular bone. Articulates with clavicle and humerus. Has a bony ridge for muscle attachment 7. Upper Extremity1. Humerus: Between shoulder and elbow. Articulates with the scapula, ulna and radius 8. Upper Extremity1. Humerus: Between shoulder and elbow. Articulates with the scapula, ulna and radius2. Ulna: On the pinky side of the forearm. Longer than the radius. Forms the point of the elbow 9. Upper Extremity1. Humerus: Between shoulder and elbow. Articulates with the scapula, ulna and radius2. Ulna: On the pinky side of the forearm. Longer than the radius. Forms the point of the elbow3. Radius: On the thumb side of the forearm. Crosses over the ulna when the hand is turned over 10. Upper Extremity1. Humerus: Between shoulder and elbow. Articulates with the scapula, ulna and radius2. Ulna: On the pinky side of the forearm. Longer than the radius. Forms the point of the elbow3. Radius: On the thumb side of the forearm. Crosses over the ulna when the hand is turned over4. Carpals: 8 bones arranged in 2 rows. Form the wrist 11. Upper Extremity1. Humerus: Between shoulder and elbow. Articulates with the scapula, ulna and radius2. Ulna: On the pinky side of the forearm. Longer than the radius. Forms the point of the elbow3. Radius: On the thumb side of the forearm. Crosses over the ulna when the hand is turned over4. Carpals: 8 bones arranged in 2 rows. Form the wrist5. Metacarpals: 5 bones, one in line with each finger. Form the hand 12. Upper Extremity1. Humerus: Between shoulder and elbow. Articulates with the scapula, ulna and radius2. Ulna: On the pinky side of the forearm. Longer than the radius. Forms the point of the elbow3. Radius: On the thumb side of the forearm. Crosses over the ulna when the hand is turned over4. Carpals: 8 bones arranged in 2 rows. Form the wrist5. Metacarpals: 5 bones, one in line with each finger. Form the hand6. Phalanges: 14 bones (3 in each finger, 2 in thumb) 13. Pelvic girdle Attaches leg to body 14. Pelvic girdle Attaches leg to body Consists of 2 coxal (hip) bones 15. Pelvic girdle Attaches leg to body Consists of 2 coxal (hip) bones Articulate posteriorly with the sacrum andanteriorly with each other at the symphysispubis 16. Pelvic girdle Attaches leg to body Consists of 2 coxal (hip) bones Articulate posteriorly with the sacrum andanteriorly with each other at the symphysispubis Each coxal bone has 3 parts1. Ilium: largest part. Wing-shaped 17. Pelvic girdle Attaches leg to body Consists of 2 coxal (hip) bones Articulate posteriorly with the sacrum andanteriorly with each other at the symphysis pubis Each coxal bone has 3 parts1. Ilium: largest part. Wing-shaped2. Ischium: Posterior portion. Sitting bones 18. Pelvic girdle Attaches leg to body Consists of 2 coxal (hip) bones Articulate posteriorly with the sacrum andanteriorly with each other at the symphysis pubis Each coxal bone has 3 parts1. Ilium: largest part. Wing-shaped2. Ischium: Posterior portion. Sitting bones3. Pubis: lower, anterior portion 19. Lower Extremity1. Femur: largest, longest, strongest bone in the body 20. Lower Extremity1. Femur: largest, longest, strongest bone in the body2. Tibia: On the medial side of the leg. Larger than the fibula. Articulates with femur to form knee joint 21. Lower Extremity1. Femur: largest, longest, strongest bone in the body2. Tibia: On the medial side of the leg. Larger than the fibula. Articulates with femur to form knee joint3. Fibula: Slender bone on lateral side 22. Lower Extremity1. Femur: largest, longest, strongest bone in the body2. Tibia: On the medial side of the leg. Larger than the fibula. Articulates with femur to form knee joint3. Fibula: Slender bone on lateral side4. Patella: Kneecap. Flat triangular bone enclosed within the tendon that attaches the thigh muscles to the tibia. Protects the knee joint 23. Lower Extremity1. Femur: largest, longest, strongest bone in the body2. Tibia: On the medial side of the leg. Larger than the fibula. Articulates with femur to form knee joint3. Fibula: Slender bone on lateral side4. Patella: Kneecap. Flat triangular bone enclosed within the tendon that attaches the thigh muscles to the tibia. Protects the knee joint5. Tarsals: 7 bones that form the ankle. Largest is the calcaneus (heel) bone 24. Lower Extremity1. Femur: largest, longest, strongest bone in the body2. Tibia: On the medial side of the leg. Larger than the fibula. Articulates with femur to form knee joint3. Fibula: Slender bone on lateral side4. Patella: Kneecap. Flat triangular bone enclosed within the tendon that attaches the thigh muscles to the tibia. Protects the knee joint5. Tarsals: 7 bones that form the ankle. Largest is the calcaneus (heel) bone6. Metatarsals: 5 bones that form the instep and ball of the foot 25. Lower Extremity1. Femur: largest, longest, strongest bone in the body2. Tibia: On the medial side of the leg. Larger than the fibula. Articulates with femur to form knee joint3. Fibula: Slender bone on lateral side4. Patella: Kneecap. Flat triangular bone enclosed within the tendon that attaches the thigh muscles to the tibia. Protects the knee joint5. Tarsals: 7 bones that form the ankle. Largest is the calcaneus (heel) bone6. Metatarsals: 5 bones that form the instep and ball of the foot7. Phalanges: 14 bones. 3 in each toe, except big toe (hallux) which has 2