KNES 259 Lecture Notes - Lecture 2: Sagittal Plane, Pivot Joint, Pisiform Bone
18 Sep 2016
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Includes the medial clavicle and the superolateral sternum. A saddle joint so it"s very stable and has very little mobility. The connection between the axial (skull, spine, and ribs) skeleton & the appendicular skeleton. Includes the lateral clavicle and the superior scapula. 3 levels of separation: grade 1 is only a slight tear of one ligament, grade 2 is a complete tear of one ligament, grade 3 is a complete tear of all ligaments. Allows for scapular motion: can be elevated, depressed, protracted, retracted, and rotated (rotation goes with abduction/adduction, can"t do one without the other, depressed in anatomical position, all movement is on the frontal plane. Includes the superior humerus and the lateral scapula (glenoid fossa) Is a ball and socket joint: highly mobile but low stability, allows for all 3 forms of movement (details about axes and planes of motion in notes from previous lecture)
