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Hand & Wrist Skeletal Anatomy
Sports Medicine Hand & Wrist Skeletal Anatomy Property of CTE Joint Venture
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Bellwork Complete only the B portion of the BLT chart writing what you know about the hand and wrist. Then put BLT chart aside until the end of the lesson. Write-Pair-Share a list of all the anatomical structures of the hand that you can recall from previous lessons. Record list on paper and share with partner. Property of CTE Joint Venture
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Objectives Recognize skeletal anatomy for the hand & wrist
Recognize ligaments of the hand & wrist Property of CTE Joint Venture
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Terminology Carpals: small bones of the hand
Metacarpals: long bones of the hand, between the carpal bones and the phalanges Phalanges: bones of the fingers Property of CTE Joint Venture
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Bones of the Hand & Wrist
Ulna Radius Carpals (8) Metacarpals (5) Phalanges (14) Distal Intermediate Proximal Property of CTE Joint Venture
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Bones of the Wrist Ulna Radius Styloid Process
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Carpal Bones (Starting with distal row, lateral to medial) 2 4 3 1 5 8
1. Trapezium 2. Trapezoid 3. Capitate 4. Hamate 5. Pisiform 6. Scaphoid 7. Lunate 8. Triquetrum 2 4 3 1 5 8 6 7 Property of CTE Joint Venture
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Metacarpals Numbered from 1 to 5, starting with the thumb 1 – thumb
2 – pointer finger 3 – middle finger 4 – ring finger 5 – pinkie finger 3 2 4 5 1 Property of CTE Joint Venture
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Phalanges (14) Proximal phalynx Intermediate phalynx (except thumb)
Distal Phalynx Property of CTE Joint Venture
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Identify the bones of the hand
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Ligaments of the Wrist Wrist: Ulnar collateral ligament
Radial collateral ligament Transverse carpal ligament Property of CTE Joint Venture
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Ligaments of the Hand Fingers: Collateral ligaments
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Articulations of the wrist
Radiocarpal joints Intercarpal joints Carpometacarpal joints
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Carpal Ligaments Wrist is stabilized by anterior, posterior, and interosseous ligaments. Play important role in stabilization of the wrist complex. Identification of specific ligament difficult if not impossible.
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Flexor Retinaculum Strong fibrous band that restrains or holds in place tissue, muscles or organs Restraining structure for the flexor tendons
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Extensor retinaculum Strong fibrous band
Restraining structure for the extensor tendons
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Wrist Motion Bone structure allows 6 different motions Flexion
Extension Adduction (Ulnar deviation) Abduction (Radial deviation) Pronation Supination
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Review Property of CTE Joint Venture
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PROPERTY OF PIMA COUNTY JTED, 2010
Numbered Heads 4 4. Numbered Heads students number off in a group from 1 to 4 teacher poses a question group discusses the answer teacher selects a number from 1 to 4 and asks all students who represent that number to raise their hand teacher calls on a non-volunteer or uses a random method to generate a number such as rolling die teacher provides feedback Students Number 1-4 Identify the skeletal structure that the teacher is pointing to on the model of the hand and wrist. PROPERTY OF PIMA COUNTY JTED, 2010 Property of CTE Joint Venture
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Closure Write down the anatomical names on a piece of paper that your teacher points to Share your answers with a partner until you are sure you agree on the anatomy Finish your “L” and “T” columns on your BLT sheet Property of CTE Joint Venture
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