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Extensor Carpi Radialis Brevis
From WikiMSK
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| Extensor Carpi Radialis Brevis | |
|---|---|
| Muscle Type | |
| Origin | Lateral epicondyle via the common extensor tendon and radial collateral ligament |
| Insertion | Base of the third metacarpal bone |
| Action | |
| Synergists | |
| Antagonists | |
| Spinal innervation | C6, C7 |
| Peripheral Innervation | Radial Nerve |
| Vasculature | |
Palpation
In the depression over the capitate bone as the patient abducts the thumb in the sagittal plane
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