The Intervention Effects of Acupuncture on Fatigue Induced by Exhaustive Physical Exercises: A Metabolomics Investigation

Figure 2

Scores plots of PCA (a), PLS-DA (b), and OPLS-DA (c) derived from ¹H NMR data of TA, TR, and T0 groups. Variables of scores plots are centered and scaled.

(a)

(b)

(c)