Knee Instability

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. When the knee extended, external and internal lateral ligaments stretched and prevent rotation of the joint. Standing on one foot, knee wedged in extension, which means…

Neck Position

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. In bodybuilding, having a bad neck’s position during an exercise can create neuralgia. These neuralgias are numbness of the arm with tingling. These sensations arrive a…