"Forgot to add:
Because of its anatomical positioning, the RF is considered a weak knee extensor when the hip is flexed. Because of this, I would also call into question it's impact on knee stability vs. the VL and the VM.
"I wonder why they chose the RF instead of the VL or VM to test the antagonist activation against the BF? Since the RF is also (and arguably significantly) involved in hip flexion, it seems to me that the true ratio of agonist/antagonist activation…"
"It's a mistake to interpret these attempts at personal records as a reflection of their technique when working at training percentages. Anyone and everyone who has attempted a personal record (or coached an athlete going for a…"
"Vertical tibia is is great for powerlifting and prevention of excessive shear forces on the knee, especially when dealing with massive loads. However, sport does not always occur with a vertical tibia or with the femur at or above parallel to…"