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KinesiologyKinesiology Chapter 7. Wrist, Hand and Fingers Eaton Hand Web Site Hand Kinesiology Eaton Hand Web Site Hand Kinesiology.

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Presentation on theme: "KinesiologyKinesiology Chapter 7. Wrist, Hand and Fingers Eaton Hand Web Site Hand Kinesiology Eaton Hand Web Site Hand Kinesiology."— Presentation transcript:

1 KinesiologyKinesiology Chapter 7

2 Wrist, Hand and Fingers Eaton Hand Web Site Hand Kinesiology Eaton Hand Web Site Hand Kinesiology

3 Wrist Terms (matching) A. Digits or finger B. Long C. Thumb D. Wrist E. Superficial F. Short G. Deep A. Digits or finger B. Long C. Thumb D. Wrist E. Superficial F. Short G. Deep 1. Superficialis = 2. Profundus = 3. Carpi = 4. Digitorum = 5. Longus = 6. Brevis = 7. Pollex =

4 Bone Overview

5 BONES of the WRIST and HAND ?

6 Phalanges Distal –(further from the body) Middle Proximal –(closer to the body) Distal –(further from the body) Middle Proximal –(closer to the body)

7 Metacarpals (1 through 5)

8 Carpal Bones Tp TzC H S L Tq P

9 Eight total Two rows Proximal (closer to the body) Distal (further from the body) Eight total Two rows Proximal (closer to the body) Distal (further from the body)

10 Carpal Bones

11

12 Carpal Bones (proximal row) 1. Scaphoid anatomical snuff box (boat shaped) articulates with radius 2. Lunate (moon shaped) articulates with radius 3. Triquetrum (Triquetral, Cuniform) articulates with radius 4. Pisiform (pea like) (base of the hypothenar eminence; on top of triquetrum) 1. Scaphoid anatomical snuff box (boat shaped) articulates with radius 2. Lunate (moon shaped) articulates with radius 3. Triquetrum (Triquetral, Cuniform) articulates with radius 4. Pisiform (pea like) (base of the hypothenar eminence; on top of triquetrum) Compare to Fig 7.1

13 Carpal Bones (distal row) 1. Trapezium (Multagulum major) articulates with 1st MC 2. Trapezoid (Multagulum minor) smallest of second row articulates with 2nd MC 3. Capitate (Os Magnum) Largest carpal bone Articulates with 3rd MC) 4. Hamate (Unciform, hook like) (Articulates with 4th and 5th MC) 1. Trapezium (Multagulum major) articulates with 1st MC 2. Trapezoid (Multagulum minor) smallest of second row articulates with 2nd MC 3. Capitate (Os Magnum) Largest carpal bone Articulates with 3rd MC) 4. Hamate (Unciform, hook like) (Articulates with 4th and 5th MC) Compare to Fig 7.1

14 Simplified Anterior/Palmar View of Right Hand HamateCapitateTrapezoidTrapezium Pisiform Triquetrum LunateScaphoid thumb little finger

15 Review

16 Moving On…

17 Radius Head Radial tuberosity Head Styloid process

18 Ulna Styloid process

19 Styloid Process

20 Humerus Lateral epicondyle Medial epicondyle Lateral epicondyle Medial epicondyle

21

22

23 Joints of the Wrist and Hand Interphalangeal Metacarpophalangeal Carpometacarpal Intermetacarpal Midcarpal Intercarpal Radiocarpal Interphalangeal Metacarpophalangeal Carpometacarpal Intermetacarpal Midcarpal Intercarpal Radiocarpal

24 Assignment Be able to demonstration the movements of the fingers and of the wrist. Pages Be able to demonstration the movements of the fingers and of the wrist. Pages

25 Movements of the Wrist (Radiocarpal) Flexion of the wrist Extension of the wrist Adduction or Radial Flexion of the wrist Abduction or Ulnar Flexion of the wrist Flexion of the wrist Extension of the wrist Adduction or Radial Flexion of the wrist Abduction or Ulnar Flexion of the wrist

26 Movement of the Fingers (Interphalangeal Joints) Flexion of the fingers Extension of the fingers Flexion of the fingers Extension of the fingers

27 Movement of the Fingers (Metacarpophalangeal Joint) Fingers –a. flexion –b. extension –c. abduction –d. adduction Fingers –a. flexion –b. extension –c. abduction –d. adduction

28 The Carpometacarpal Joint of the Thumb (A Saddle Joint) Trapezium 1 St Metacarpal Trapezium

29 Movements of the Carpometacarpal Joint of the Thumb Extension – angle between thumb and index increasing (sideward movement) Flexion – return from extension Others Extension – angle between thumb and index increasing (sideward movement) Flexion – return from extension Others

30 Movements of the Midcarpal (lst and 2nd rows) and Intercarpal Joints (within rows). No significant movement occurs at these joints

31 Name That Action

32 Actions

33

34 Actions

35 Actions Summary Fingers Flexion or Extension Adduction or Abduction Thumb Flexion or Extension Adduction or Abduction Wrist Flexion or Extension Adduction or Abduction Fingers Flexion or Extension Adduction or Abduction Thumb Flexion or Extension Adduction or Abduction Wrist Flexion or Extension Adduction or Abduction

36 Assignment Be able to name one action of each wrist muscle Table 7-1 (except Extensor Carpi Radialis Brevis, Extensor Pollicus Brevis, and Abductor Pollicus Longus) Be able to name one action of each wrist muscle Table 7-1 (except Extensor Carpi Radialis Brevis, Extensor Pollicus Brevis, and Abductor Pollicus Longus)


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