In an overhand, also called a pronated grip, your biceps (the muscles on the front of your elbows and your primary elbow flexors) are in a mechanically disadvantageous position. (fitnessandpower.com)
A recent study concluded that men who took around 4.000 milligrams of taurine for two weeks before performing eccentric elbow flexor exercises experienced less fatigue and a greater increase in muscle strength and endurance. (fitnessandpower.com)