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What Are the Pronator Muscles? Tlio*c muscles wliich cnablc us to tum thc hcad sidcways, like the >tcmo mastoid, thc cxtcrnal obliquc which help to tum thc body from thc waist, and thc muscles that lic on thc front of forcarm which tum thc hand.

How Do Muscles of Eztension Aid Muscles of Con-traction? Ali muscles are morc of thc pulling order, and havc teammates. As thc brain sends out its wavcs of ncrvc telepathy certain muscles will act automatic-ally to the will, one group contracting and thc other group relaxing. and vicc versa as thc positions are

csitsust. in>. st ni j»«ctt mstitsii si msttss on<n isc.