BIOSC-139 Chapter Notes - Chapter 12: Glenoid Labrum, Biceps, Bicipital Groove
16 Jun 2020
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Document Summary
Freely movable joint of the body but also one of h emost commonly injured. Shallowness of the glenoid cavity and looseness of the joint capsule sacrifice joint stability for freedom and movement. Ring of fiborcartilage called the glenoid labrum , around its margins. Glenohumeral ligament , weak and sometimes absent tendons of the bicep muscle are the most important stabilizer of the shoulder. Tendons , adjustable strap that hold the humerus against the glenoid cavity. Form the router cuff, wish is the joint capsule on all sides except ventralaly. Roter cuff protects the joint in all directions except ventrally joint from above is protected by coracoid process, acromin process, and clavicle. Child can dislocate its shoulder b/c the arm is being pulled on. Tiblofemoral joint : largest and most complext of the boyd. The patella and patellar ligament also form a gliding patellofemoral joint. Joint capsule encloses only lateral and posterior aspects of the knee joint , not the anterior.
