Question

how many muscles need to move
the head​

Answer 1

${\red{\underline{\underline{\bold{Answer:-}}}}}$

The major muscle that laterally flexes and rotates the head is the sternocleidomastoid. In addition, both muscles working together are the flexors of the head. Place your fingers on both sides of the neck and turn your head to the left and to the right.

Answer 2

Explanation:

=> At least \bold{two\:muscles} are needed to move a bone at a joint in one direction.

=> Because contraction of one muscle and relaxation of other muscle leads to the movement of the joint in one direction.

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