ANTR 350 Lecture Notes - Lecture 11: Serratus Anterior Muscle, Subscapularis Muscle, Carpal Bones
Document Summary
Describe the location and function of the glenoid labrum. Encircles and covers the surface of the glenoid cavity; relatively loose articular capsule attaches to the surgical neck of the humerus; deepens socket. Identify the joints involved in a shoulder separation and in a shoulder dislocation ( see-clinical view- shoulder joint dislocations in chapter 9) Acromioclavicular joint (shoulder separation) and glenohumoral joint (shoulder dislocation) Explain the relationship between mobility and stability as it applies to the glenohumeral joint. It is a very mobile joint, and since it is very mobile, it has low stability as the humerus can come out of place: explain the consequence of the highly mobile glenohumeral joint. Low stability (easily dislocated: specify the structure that provides the most support for the glenohumeral joint. Rotator cuff muscles: specify the weakest area of the shoulder joint, i. e. the direction of most shoulder dislocations (superior, inferior, anterior, posterior) List the actions normally allowed by the elbow joint.
