[Retracted] Effects of Caffeine Intake on Cardiopulmonary Variables and QT Interval after a Moderate-Intensity Aerobic Exercise in Healthy Adults: A Randomized Controlled Trial

Figure 2

The attached location of ECG: (a) anterior and (b) lateral side. (1) RA, (2) LA, (3) RL, (4) LL, (5) V1, (6) V2, (7) V3, (8) V4, (9) V5, and (10) V6.

(a)

(b)