7 - Elbow, Forearm, RU

7 - Elbow, Forearm, RU - Foundations of Occupation...

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Foundations of Occupation Kinesiology Elbow and Radioulnar Joints Lecture 7 Summer 2010
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Thursday’s Review Session Thursday morning at 8:30 am: please report to your experiential learning labs (ELL/Lab) We are having labs first; no FORMAL lecture You have all of the information you need for the midterm on Friday We will be reviewing in smaller groups after the labs in room 139 if you have any questions or need clarifications
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Overview Function of Elbow and Forearm Complex Anatomical Review: Bones, Joints and Ligaments Motions of Elbow and Forearm Complex Muscles of Elbow and Forearm Complex Summary: Elbow and Forearm Muscles Working Together
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Elbow Complex Function Allow for shortening and lengthening of arms for optimal fine motor function Forearm rotation is an important component Serves to stabilize the hand for skilled or forceful movements
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Motions Elbow joint is where the humerus articulates with the ulna and radius Flexion and Extension AROM and PROM Radioulnar joints Pronation Supination
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Anatomical Review: Elbow Complex Bones of the elbow complex: Humerus Ulna Radius Two elbow joints: Humeroulnar Humeroradial Superior (proximal) radioulnar joint
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Bony Landmarks: Anterior Distal Humerus Trochlea - hourglass shaped, articulates with ulna Trochlear groove on trochlea articulates with trochlear notch on ulna Capitulum – spherical, articulates with radius Capitulotrochlear groove – between trochlea and capitulum Radial fossa – receives radial head in flexion Coronoid fossa – receives coronoid process in flexion (Lateral and medial epicondyles….not really anterior)
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www.dartmouth.edu
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Bony Landmarks: Posterior Distal Humerus Olecranon fossa “funny bone” www.dartmouth.edu
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www.dartmouth.edu
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Carrying Angle Axis of movement at elbow joint is not horizontal 5-15 degrees Allows objects to be carried away from body Valgus - > Varus - <
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7 - Elbow, Forearm, RU - Foundations of Occupation...

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