Shoulder Extension: Straight Elbow 1/2, Shoulder extension is our arm traveling behind ourselves, which can be done with the elbow straight or bent and can be trained a bunch of different ways; a table top base position can be used to train extension with the elbow straight. While in the fully extended position, we want to maximally shorten our triceps and rear delts (all posterior shoulder tissue). If you feel your chest/front delt lengthening, thats okay too, spend time in the stretch and stil