A few years back, at a TBR Coaches Boot Camp, I had the pleasure of meeting Frans Bosch, a motor learning and biomechanics expert from The Kingdom of The Netherlands. At the time, the Dutch were 10-20 years ahead of the rest of the world in this area and Frans was considered the best of the best.
To change a movement, you have to change the mover. To stabilize the back leg (thereby increasing impulse) the athlete must have enough mobility to get into a position that optimizes the length-tension relationships in all of the muscles surrounding the hip.
Coaches at our baseball training camps know that, when you have a soft tissue injury (UCL, labrum, rotor cuff) that doesn’t result in catastrophic failure, it’s very important during the rehab process that you provide controlled stress to organize the healing tissue along the line of resistance.
Any time a pitcher complains of pain on the inside of the elbow, you worry about damage to the UCL — the dreaded Tommy John surgery. But sometimes it’s not the Tommy John ligament at all. Here is a rudimentary field test to see if you might have damage to the UCL. It’s called “The milking test.”