Supine Lat Eccentric
1.) Laying flat on a bench or on the ground with your knees bent hold a light dumbbell at shoulder height with your elbow straight
2.) With control begin to slowly lower the dumbbell as far as is comfortable overhead with your elbow straight
3.) Be sure to keep your biceps close to your ear without letting your arm drift to the side
4.) Hold at the bottom for a few seconds and then return to the start position