Research Article

Effects of GUASHA on Heart Rate Variability in Healthy Male Volunteers under Normal Condition and Weightlifters after Weightlifting Training Sessions

Figure 3

The changes in the frequency domain of HRV before and after GUASHA in healthy males under normal condition and male weightlifters under weightlifting training condition. LF and HF significantly improved in the healthy males group, while LF/HF were significantly reduced in both groups. The black bar means the value before GUASHA treatment. The white bar means the value after GUASHA treatment. H refers to healthy males; W means male weightlifters; LF is short for low frequency; HF is short for high frequency. . . versus before treatment.