Arm muscles ppt

Arm muscles ppt

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