Virtual Los Angeles Blog

lt must be pointed out that the method described here is for determining the resultant of two forces acting at an angle to each other and that it is therefore assumed that they have a common point of application. This is not true of the majority of muscles which act on the same bone. Nevertheless the principle of finding the com posite effect of two or more forces, both as to magnitude and direction, is as true for forces acting on body segments as for forces acting on external objects. There are a number of examples in the human body in which two muscles rotate a bone by acting cooperatively as a force couple, for instance, the upper trapezius and lower portion of serratus anterior in rotating the scapula upward. icd10 training. will help in the appropiate reimbursement and collections, stay with HIPAA compliance and get more collections.