Uh ohhh look out… this one might mess with a few heads because a “sacred cow” is being threatened ….and this one is controversial! Friends, we are talking about whether or not to squeeze a ball together between the knees during squat to help with knee pain. Many fitness and health professionals swear by this.
Research was done in the early 1990’s that kickstarted the idea that co-contraction of the hip adductors and knee extensors may elicit greater VMO activation, as apparently the majority of VMO’s fibers arise from the tendon of adductor magnus. Indeed, this has been previously researched with some encouraging results… whilst other have shown no effect at all.
Keep reading the article and video here: