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Skeletal arm

Simple diagram of Skeletal arm with triceps and biceps muscles

Groups of muscles work together, for example when the biceps muscle contracts to flex (bend) the forearm, the triceps muscle relaxes. To extend (straighten) the forearm the biceps relaxes and the triceps contracts.

Rights: The University of Waikato Te Whare Wānanga o Waikato
Published:21 June 2007Size: 20.96 KB