6-1 Kinesiology for Manual Therapies Chapter 6 The Shoulder Joint McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-2 Learning Outcomes o o o McGraw-Hill 6-1 Define key terms. 6-2 Identify on a human skeleton or human subject selected bony structures of the shoulder joint. 6-3 Label on a skeletal chart selected bony landmarks of the shoulder joint. © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-3 Learning Outcomes (cont.) McGraw-Hill 6-4 Draw on a skeletal chart the muscles of the shoulder joint and indicate, using arrows, shoulder joint movements. 6-5 Demonstrate with a partner all the movements of the shoulder joints. © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-4 Learning Outcomes (cont.) McGraw-Hill 6-6 Describe how movements of the scapula accompany movements of the humerus in achieving movement of the entire shoulder complex. 6-7 Explore the origins and insertions of the muscles of the shoulder joint on a partner. © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-5 Learning Outcomes (cont.) McGraw-Hill 6-8 Organize and list the muscles that produce the movements of the shoulder girdle and the shoulder joint. 6-9 Practice flexibility and strengthening exercises for each muscle group. © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-6 Introduction The shoulder joint provides a wide range of motion but the price of mobility is reduced stability. Common injuries sites include rotator cuff, capsule, ligaments, bursae, and the glenohumeral joint. The shoulder joint cannot have full range of motion without the cooperation of the shoulder girdle muscles. McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-7 Introduction (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-8 Bones The scapula, clavicle, and humerus serve as attachments for most of the shoulder joint muscles. McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-9 Bones (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-10 Joint The shoulder joint is known as the glenohumeral joint and is classified as enthrodial (ball-and-socket). The glenoid labrum – cartilaginous ring that surrounds the glenoid fossa. McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-11 Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-12 Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-13 Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-14 Movements Flexion Extension Abduction Adduction Lateral rotation Medial rotation McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-15 Movements (cont.) Horizontal adduction (flexion) Horizontal abduction (extension) Diagonal abduction Diagonal adduction McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-16 Muscles Intrinsic muscles include: deltoid, coracobrachialis, teres major, and the rotator cuff group: supraspinatus infraspinatus teres minor subscapularis McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-17 Muscles (cont.) Extrinsic muscles include: latissimus dorsi pectoralis major McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-18 Muscles (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-19 Muscles (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-20 Muscles (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-21 Nerves The shoulder joint muscles are all innervated from the nerves of the brachial plexus. McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-22 Nerves (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-23 Individual Muscles of the Shoulder Joint - Deltoids McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-24 Individual Muscles of the Shoulder Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-25 Individual Muscles of the Shoulder Joint - Rotator Cuff (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-26 Individual Muscles of the Shoulder Joint - Supraspinatus (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-27 Individual Muscles of the Shoulder Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-28 Individual Muscles of the Shoulder Joint - Infraspinatus (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-29 Individual Muscles of the Shoulder Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-30 Individual Muscles of the Shoulder Joint - Teres minor (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-31 Individual Muscles of the Shoulder Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-32 Individual Muscles of the Shoulder Joint - Subscapularis (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-33 Individual Muscles of the Shoulder Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-34 Individual Muscles of the Shoulder Joint - Latissimus dorsi (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-35 Individual Muscles of the Shoulder Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-36 Individual Muscles of the Shoulder Joint - Teres major (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-37 Individual Muscles of the Shoulder Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-38 Individual Muscles of the Shoulder Joint - Pectoralis major (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-39 Individual Muscles of the Shoulder Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-40 Individual Muscles of the Shoulder Joint - Coracobrachialis (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-41 Individual Muscles of the Shoulder Joint (cont.) McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-42 Chapter Summary The bones, joints, movements, muscles, and nerves of the shoulder joint are explored in this chapter. McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-43 Chapter Summary (cont.) Individual muscles of the shoulder girdle are reviewed in depth with regard to palpation, origin, insertion, action, and innervation. Each muscle includes information with clinical notes, muscle specifics, clinical flexibility and strengthening. McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-44 Chapter Review The Chapter Review is divided into true and false, short answers, and multiple choice questions. The questions are designed for the students to test their knowledge. Worksheets are at the end of the text as an aid for learning. McGraw-Hill © 2011 by The McGraw-Hill Companies, Inc. All rights reserved 6-45 Explore and Practice McGraw-Hill Students should utilize the questions and charts at the end of the chapter to help focus on the content of the chapter. © 2011 by The McGraw-Hill Companies, Inc. All rights reserved