Correlation between different constructs of motivation and VO2peak with Spearman coefficient (r).

(A) Amotivation: relationship between amotivation score and VO2peak. r = -0.21*; (B) External regulation: relationship between external regulation and VO2peak. r = 0.23*; (C) Introjected regulation: relationship between introjected regulation and VO2peak. r = 0.08; (D) Identified regulation: relationship between identified regulation and VO2peak. r = 0.17*; (E) Intrinsic regulation: relationship between intrinsic regulation and VO2peak. r = 0.27*; (F) Relative autonomy index: relationship between relative autonomy index and VO2peak. r = 0.30*. Significance: *P<0.05.