81K views · 374 reactions | Do you know which bicep head is responsible for the peak? The bicep has two heads. The long head is the outer head and the short head is the inner head. The long head is the part that contributes to what’s referred to as the “bicep peak.” Although I suggest incorporating exercises to target both heads of your bicep so it can fully develop, these are three of the best exercises to specifically target the long head. | Pfau Fitness | Facebook