Kinesiology 2222A/B Lecture Notes - Lecture 8: Shoulder Girdle, Appendicular Skeleton, Upper Limb
26 Sep 2018
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Document Summary
The appendicular skeleton is made of: pectoral girdle, clavicle, scapula, upper limb, pelvic girdle, os coxae, lower limb, upper & lower limb have similar overall arrangement, but adapted to serve unique functions. In quadrupeds, all 4 limbs served purpose of stabilization & locomotion. In bipeds, evolved so that lighter upper limb does complex fine movement (grasping, reaching) while heavier lower limb does powerful movements & supports weight during walking & running, etc. Upper limb: upper limb is divided into 4 regions, shoulder, arm, forearm, hand, divided by 3 main joints: Glenohumeral: elbow, wrist, bones of the upper wrist, pectoral girdle (clavicle & scapula, humorous, radius, ulna, bones of the hand & wrist. Pectoral girdle : made up of clavicle & scapula. Attaches upper limbs to axial skeleton via sternoclavicular joint: highly mobile. Lower limb: divided into 4 regions: , hip/pelvis/gluteal, thigh, leg, foot, divided by 3 main joints:
