When Stimulating Weakened Muscles, Careful Attention to Limb Position Can

When stimulating weakened muscles, careful attention to limb position can take advantage of the length-tension relationship to enhance muscular performance. Which of the following positions would be best to enhance the contraction of weakened quadriceps, while also enabling stabilization so that an isometric contraction is elicited?

A) Supine with the hip and knee flexed to 90 degrees
B) Semi-reclined with a bolster under the knee
C) Sitting with the hip and knee flexed to 90 degrees
D) Semi-reclined with the knee in 0 degrees of extension