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Muscles that Move  the Forearm and Hand   Figure 11–16a
Muscles that Move  the Forearm and Hand   Figure 11–16b
Muscles that Move  the Forearm and Hand  <ul><li>Originate on humerus and insert on forearm </li></ul><ul><li>Exceptions: ...
Extensors and Flexors <ul><li>Extensors: </li></ul><ul><ul><li>mainly on posterior and lateral surfaces of arm </li></ul><...
13 Muscles that Move  the Forearm and Hand (1 of 8) <ul><li>Biceps brachii : </li></ul><ul><ul><li>flexes elbow </li></ul>...
13 Muscles that Move  the Forearm and Hand (2 of 8) <ul><li>Triceps brachii : </li></ul><ul><ul><li>extends elbow </li></u...
13 Muscles that Move  the Forearm and Hand  (3 of 8) <ul><li>Anconeus : </li></ul><ul><ul><li>opposes brachialis </li></ul...
13 Muscles that Move  the Forearm and Hand (4 of 8) <ul><li>Flexor carpi ulnaris :   </li></ul><ul><ul><li>superficial </l...
13 Muscles that Move  the Forearm and Hand (5 of 8) <ul><li>Flexor carpi radialis :  </li></ul><ul><ul><li>superficial </l...
13 Muscles that Move  the Forearm and Hand (6 of 8) <ul><li>Extensor carpi radialis : </li></ul><ul><ul><li>superficial </...
13 Muscles that Move  the Forearm and Hand (7 of 8) <ul><li>Extensor carpi ulnaris : </li></ul><ul><ul><li>superficial </l...
13 Muscles that Move  the Forearm and Hand (8 of 8) <ul><li>Pronator teres  and  supinator : </li></ul><ul><ul><li>origina...
Muscles that Move  the Hand and Fingers   Figure 11–17a, b
Muscles that Move  the Hand and Fingers Figure 11–17c, d
The Intrinsic Muscles of the Hand Figure 11–18a
The Intrinsic Muscles of the Hand Figure 11–18b
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Arm muscles ppt

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Arm muscles ppt

  1. 1. For more slides click here DOWNLOAD THIS SLIDE
  2. 2. Muscles that Move the Forearm and Hand Figure 11–16a
  3. 3. Muscles that Move the Forearm and Hand Figure 11–16b
  4. 4. Muscles that Move the Forearm and Hand <ul><li>Originate on humerus and insert on forearm </li></ul><ul><li>Exceptions: </li></ul><ul><ul><li>the major flexor ( biceps brachii ) </li></ul></ul><ul><ul><li>the major extensor ( triceps brachii ) </li></ul></ul>3D Rotation: Muscles of the Forearm and Hand PLAY
  5. 5. Extensors and Flexors <ul><li>Extensors: </li></ul><ul><ul><li>mainly on posterior and lateral surfaces of arm </li></ul></ul><ul><li>Flexors: </li></ul><ul><ul><li>mainly on anterior and medial surfaces </li></ul></ul>
  6. 6. 13 Muscles that Move the Forearm and Hand (1 of 8) <ul><li>Biceps brachii : </li></ul><ul><ul><li>flexes elbow </li></ul></ul><ul><ul><li>stabilizes shoulder joint </li></ul></ul><ul><ul><li>originates on scapula </li></ul></ul><ul><ul><li>inserts on radial tuberosity </li></ul></ul>
  7. 7. 13 Muscles that Move the Forearm and Hand (2 of 8) <ul><li>Triceps brachii : </li></ul><ul><ul><li>extends elbow </li></ul></ul><ul><ul><li>originates on scapula </li></ul></ul><ul><ul><li>inserts on olecranon </li></ul></ul><ul><li>Brachialis and brachioradialis : </li></ul><ul><ul><li>flex elbow </li></ul></ul>
  8. 8. 13 Muscles that Move the Forearm and Hand (3 of 8) <ul><li>Anconeus : </li></ul><ul><ul><li>opposes brachialis </li></ul></ul><ul><li>Palmaris longus : </li></ul><ul><ul><li>superficial </li></ul></ul><ul><ul><li>flexes wrist </li></ul></ul>
  9. 9. 13 Muscles that Move the Forearm and Hand (4 of 8) <ul><li>Flexor carpi ulnaris : </li></ul><ul><ul><li>superficial </li></ul></ul><ul><ul><li>flexes wrist </li></ul></ul><ul><ul><li>ad ducts wrist </li></ul></ul>
  10. 10. 13 Muscles that Move the Forearm and Hand (5 of 8) <ul><li>Flexor carpi radialis : </li></ul><ul><ul><li>superficial </li></ul></ul><ul><ul><li>flexes wrist </li></ul></ul><ul><ul><li>ab ducts wrist </li></ul></ul>
  11. 11. 13 Muscles that Move the Forearm and Hand (6 of 8) <ul><li>Extensor carpi radialis : </li></ul><ul><ul><li>superficial </li></ul></ul><ul><ul><li>extends wrist </li></ul></ul><ul><ul><li>ab ducts wrist </li></ul></ul>
  12. 12. 13 Muscles that Move the Forearm and Hand (7 of 8) <ul><li>Extensor carpi ulnaris : </li></ul><ul><ul><li>superficial </li></ul></ul><ul><ul><li>extends wrist </li></ul></ul><ul><ul><li>ad ducts wrist </li></ul></ul>
  13. 13. 13 Muscles that Move the Forearm and Hand (8 of 8) <ul><li>Pronator teres and supinator : </li></ul><ul><ul><li>originate on humerus and ulna </li></ul></ul><ul><ul><li>rotate radius </li></ul></ul><ul><li>Pronator quadratus : </li></ul><ul><ul><li>originates on ulna </li></ul></ul><ul><ul><li>assists pronator teres </li></ul></ul>
  14. 14. Muscles that Move the Hand and Fingers Figure 11–17a, b
  15. 15. Muscles that Move the Hand and Fingers Figure 11–17c, d
  16. 16. The Intrinsic Muscles of the Hand Figure 11–18a
  17. 17. The Intrinsic Muscles of the Hand Figure 11–18b

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