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Biomechanics_Powerpoint.pdf

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BIOMECHANICS Lecture & Assessment Biomechanics of the Shoulder Complex „ „ „ Look at how the entire shoulder complex moves and start to get a feel for where the restrictions are and where they compensate. It is important to re-evaluate functional mechanics before and after each treatment intervention. Don’t wait until later to see if your treatment affected the athlete in a positive or negative way. The disruption in mechanics may change as the athlete gains motion, strength, and returns to
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  BIOMECHANICSBIOMECHANICS Lecture & AssessmentLecture & Assessment  Biomechanics of the Shoulder Biomechanics of the Shoulder Complex Complex   Look at how the entire shoulder complex moves and Look at how the entire shoulder complex moves and start to get a feel for where the restrictions are and start to get a feel for where the restrictions are and where they compensate.where they compensate.  It is important to reIt is important to re--evaluate functional mechanics evaluate functional mechanics  before and after each treatment intervention. Don before and after each treatment intervention. Don’’t t wait until later to see if your treatment affected the wait until later to see if your treatment affected the athlete in a positive or negative way. athlete in a positive or negative way.  The disruption in mechanics may change as the The disruption in mechanics may change as the athlete gains motion, strength, and returns to skill athlete gains motion, strength, and returns to skill acquisition.acquisition.   Applied Biomechanics of the  Applied Biomechanics of the Shoulder Complex Shoulder Complex   Movement of the shoulder girdle involves Movement of the shoulder girdle involves complex interdependent motions at the complex interdependent motions at the glenohumeral, glenohumeral, acromioclavicular acromioclavicular , , sternoclavicular, scapulothoracic, upper sternoclavicular, scapulothoracic, upper thoracic, costal, and sternomanubrial joints.thoracic, costal, and sternomanubrial joints.  Glenohumeral Joint Glenohumeral Joint  OSTEOKINEMATICSOSTEOKINEMATICS 1.1. Flexion/ExtensionFlexion/Extension 2.2. Abduction/AdductionAbduction/Adduction 3.3. Medial/Lateral RotationMedial/Lateral RotationARTHROKINEMATICSARTHROKINEMATICS 1.1. Spin (pure flexion/ext)Spin (pure flexion/ext) 2.2. Inferior glide (Abduction)Inferior glide (Abduction)Superior glide Superior glide (Adduction)(Adduction) 3.3. Posterior glide (MR)Posterior glide (MR)Anterior glide (LR)Anterior glide (LR)  A synovial, simple, unmodified ovoid joint with 3 degrees of freedom.
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