Which of the Following Is the MOST Effective Strategy During

Which of the following is the MOST effective strategy during gait training for gaining control of the prosthetic knee in a patient with a transfemoral prosthesis?

A) Bending the trunk forward at initial contact to bring the center of gravity anterior to the knee joint
B) Extending the residual limb against the posterior wall of the socket at initial contact
C) Bending the trunk laterally over the prosthesis at midstance
D) Flexing the residual limb against the anterior wall of the socket at initial contact