Analytical solution for the motion of the center of mass of the human body

In this paper, an efficient analytical technique, namely the Optimal Homotopy Asymptotic Method (OHAM) is proposed to find an explicit and very accurate analytical solution to the motion of the center of mass of the human body. A numerical example is developed to prove the accuracy of the proposed approach, which is based on the presence of some convergence-control parameters whose optimal values ensure an excellent accuracy of the analytical solution constructed for particular cases.