Fig. 3

The muscle electrical activity through surface electromyography (sEMG) (A) Peak and (B) Average, of the different muscle groups. Legend: Pectoralis Major Sternal Portion (P. Sternal), Pectoralis Major Clavicular Portion (P. Clavicular), Anterior Deltoid (Deltoid), Triceps Brachii, Long Head (Triceps). Values represented by mean and standard deviation.