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SPSC 3276

Shoulder lecture

QuestionAnswer
What are the Bones and Joints of the Shoulder
What are the Muscles of the Shoulder?
What are the movements of the Shoulder? Flexion/Extension Abduction/Adduction Horizontal Abduction/Adduction Internal/External Rotation
What are the degeees of the ROM ? Shoulder Flexion 0-180 • Shoulder Extension 0-60 • Shoulder Abduction 0-180 • Shoulder Adduction 0-50-70 • Horizontal Abd/Add 0-130 • Medial (Internal) Rotation 0-60-100 • Lateral (External) Rotation 0-90
What is Scapulohumeral Rhythm ? once the arm gets above a certain degree of movement, the humerus and scapula move continuously and synchronously at a 2:1 ratio. It Allows for an increased ROM at the glenohumeral joint(avoids impingement)
What is Scapulohumeral Movement? And at what degress does what occur? Initial 30 ̊ of glenohumeral abduction does not incorporate scapular motion (setting phase) 30 to 90 ̊ the scapula abducts and upwardly rotates 1 ̊ for every 2 ̊ of humeral elevation Above 90 ̊ the scapula and humerus move in 1:1 ratio
What are the Scapular Movements? ABduction & ADduction Elevation & Depression Upward Rotation Downward Rotation Protraction Downward rotation ABduction Anterior tilt Retraction Upward rotation ADduction Posterior tilt
What are the Anterior Muscles ? 1. Deltoid • Anterior – flexion • Middle – abduction 2. Pectoralis Major • Flexion 3. Serratus Anterior • Scapula abduction
What are the Posterior Muscles? 1. Trapezius • Separate the muscle into 3 regions UPPER, MIDDLE and LOWER. – Upper fibers: Extend neck, elevate scapula – Middle fibers: Adduct scapula – Lower fibers: Depress scapula 2. Latissimus dorsi Adduction 3.Posterior Deltoid Extens
Palpation of the Anterior Includes what parts of the body? Sternal notch Sternoclavicular joint (ligament) Clavicle Lesser tuberosity Bicipital groove Greater tuberosity
Palpation of the Posterior Includes what parts of the body? Acromion process Acromioclavicular joint Scapular spine Medial border of scapula Inferior angle of scapula Lateral border of scapula
What are the mechanisms of injury ? Direct trauma Indirect trauma Chronic overuse
Where do common acute injuries occur and what type of injury? A fracture in the clavicle
Created by: damanklair6
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