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Laboratory 7. Flexor Region of the Forearm

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The muscle layers are separated by thin fascial septae. The nerves and vessels pass through these septal planes. The extensor muscles of the forearm, which are in the posterior compartment of the forearm, will be studied in a later exercise, however, the proximal portions of the extensor muscles will be identified as they arise from the lateral epicondyle of the humerus and cross the elbow joint (Figure 7.1).