Chapter 12.1, Problem 6BYGO

Summary Introduction

To determine:

Three extrinsic muscles and two intrinsic muscles that flexes the phalanges.

Introduction:

In hands both extrinsic and intrinsic muscles are present. The intrinsic muscles are in the hand and the extrinsic muscles are located in the forearm. The extrinsic muscles are located in a round shape in the upper forearm. The tendons of these muscles extend to the wrist and the hand. The functions of these muscles are to flex and extend the wrist and digits, and moreover, make the digits to undergo abduction, adduction, radial and ulnar flexion.