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Activity Analysis of the Upper Extremity. Today’s Activities Soft Tissue Palpation of the Wrist and Hand Activity Analysis Military Press Sit Up.

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Presentation on theme: "Activity Analysis of the Upper Extremity. Today’s Activities Soft Tissue Palpation of the Wrist and Hand Activity Analysis Military Press Sit Up."— Presentation transcript:

1 Activity Analysis of the Upper Extremity

2 Today’s Activities Soft Tissue Palpation of the Wrist and Hand Activity Analysis Military Press Sit Up

3 Soft Tissue Palpation Understanding the anatomy of the tendons can lead to greater understanding of injuries that can occur Tendon injuries in the hand are very common and lead to a decreased quality of life Understanding the location of the tendons and applying them to the principles of active and passive insufficiency observed in Lab 2

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6 Extensor Tendons of the Hand Extensor Pollicis Brevis Extensor Pollicis Longus Extensor Digitorum Communis Extensor Indicis Proprius Extensor Digiti Minimi Extensor Carpi Ulnaris

7 Extensor Pollicis Brevis (EPB)/ Extensor Pollicis Longus (EPL) Action: Work together to extend and abduct the thumb at the Wrist and MCP joint Location: Make up ulnar (EPL) and radial (EPB) sides of anatomical snuffbox.

8 Extensor Digitorum Communis (EDC) Action: Extension of the hand, wrist and all phalanges. Location: Tendon branches from the wrist, along the phalanges on the dorsal surface. The pinky and ring finger share a tendon. Palpation trick: Making a clawed grasp

9 Extensor Indicis Proprius (EIP) Action: Extends the MCP joint and extends the PIP & DIP joints of the index finger Location: Ulnar side of index finger, along EDC. It is less superficial than the EDC

10 Extensor Digiti Quinti (EDQ) or Extensor Digiti Minimi (EDM) Action: Extend the MCP and extends the PIP and DIP of the little finger. Location: Located on radial side of pinky. Most prominent tendon on extensor side of pinky

11 Extensor Carpi Ulnaris Action: Extends and adducts (ulnarly deviates) the wrist Location: On ulnar side of pinky. Less prominent/superficial than the EDM/EDQ.

12 Flexor Tendons and Muscles of the Hand Palmaris Longus Flexor Carpi Radialis Thenar Eminence Hypothenar Eminence MCP Ligaments

13 Palmaris Longus Action: Flexes the wrist, may assist in elbow flexion. Location: On palmar surface of wrist. Most superficial tendon. Palpation trick: Holding a round object in hand, flex the wrist to see the palmaris longus protrude proximally- distally along the wrist.

14 Flexor Carpi Radialis (FCR) Action: Flexes and abducts (radially deviates) the wrist, may assist in pronation of the forearm and flexion of the wrist. Location: Deep to the Palmaris Longus, it runs proximally-distally along the wrist. Located on the radial side of wrist.

15 Thenar Eminence Location: Muscle pad along the thumb side of hand (made up of 3 muscles: Abductor pollicis brevis, Flexor pollicis brevis and Opponens pollicis).

16 Hypothenar Eminence Location: Muscle pad along the pink side of hand (made up of 3 muscles: Opponens digiti minimi, Flexor digiti minimi & Abductor digiti minimi).

17 Chart breaking down the movement by joint FOR BOTH PHASES Osteokinematic motion (Flex, adduct, etc.) Muscle Functional Group (i.e. Wrist Flexors) Agonist & Synergists Contraction Type Planes and axes Effects of gravity (Resisting, Assisting, No effect) Narration of chart Diagram of movement (up phase/down phase) Use arrows for gravities effect Diagram of a single joint Identify muscle group and Contraction Type Identify the type of lever Label the Axis, Effort and Resistance PAY ATTENTION TO LAB HANDOUT! Activity Analysis: Military Press/Sit Up

18 In Two Weeks Lab Report 4 Midterm Practicals Activity Analysis Push up Sit up Military Press Bench Press Palpations (Labs 1 and 4)


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