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Upper Limb
A&P Chapter 8 Dr.Cutler
Question | Answer |
---|---|
Girdles | Pectoral girdle (shoulder), Pelvic Girdle (hip) |
Limbs | Bones of the arms and legs |
Function of Limbs | Movement |
Appendicular Skeleton | 2 Girdles and 4 Limbs |
Pectoral Girdle | Clavicle and scapula |
Upper Limbs | Clavicle, scapula, humerus, radius, ulna, carpals, metacarpals, phalanges |
Clavicle | Long curved (S) bone, forms front of pectoral girdle, protects neurovascular structures |
Scapula | Flat, triangular bone (spatula), forms back of pectoral girdle, anchors shoulder muscles |
Acromion | Attaches to clavicle |
Coracoid Process | "bent finger" in the scapula |
Humerus | Head, Deltoid tuberosity, Olecranon fossa (triangle inside humerus), Medial epicondyle (funny bone), trochlea, capitulum, greater and lesser tubercles |
Humerus | Brachium (only bone in upper limb) |
Radius | Antebrachium (Thumb side) |
Ulna | Antebrachium (Pinky side) |
Carpal Bones | Lunate, Scapoid, Trapezium |
Metacarpal Bones | Begins with thumb (1-5) |
Phalanges | Fingers (1-5) |