Lower Leg Anatomical Correlates to Performance and Metabolism from Flywheel-based Exercise

Figure 1

Figure 2

Univariate matrix, r, r2, and prediction equation values for our multivariate regression analysis with total work (TW) as our criterion variable_

	LLL	ML	ATL	CSA	TW
TW	0.22	0.15	0.16	0.50	1

Univariate matrix, r and r2 values for our multivariate regression analysis with peak blood lactate concentration ([BLa−]) as our criterion variable_

	LLL	ML	ATL	CSA	[BLa−]
[BLa−]	0.38	0.17	0.30	0.39	1

Univariate matrix, r, r2, and prediction equation values for our multivariate regression analysis with net energy cost as our criterion variable_

	LLL	ML	ATL	CSA	net energy cost
net energy cost	0.67	0.20	0.57	0.67	1

Descriptive statistics for current study criteria and predictor variables, as well as height and body mass values_ Data are presented by gender and total (n = 30) subject values_

Variable (units)	Male subjects		Female subjects		Total subjects
	x̄ ± sem	range	x̄ ± sem	range	x̄ ± sem	range
TW (joules · 103)	19.4±1.1	11.2–29.3	14.4±1.5	8.9–25.6	17.0±1.0	8.9–29.3
net energy cost (kcals)	26.7±1.5	15.4–36.7	17.6±1.5	8.6–28.6	22.4±1.3	8.6–36.7
[BLa−] (mmol · L−1)	5.5±0.4	3.0–8.5	4.7±0.4	2.8–8.1	5.1±0.3	2.8–8.5
LLL (cm)	51.0±0.6	45–56	46.0±0.6	43–50	48.6±0.7	43–56
ML (cm)	22.0±0.4	20–25	22.0±0.6	18–26	22.0±0.4	18–26
ATL (cm)	29.0±0.7	25–34	24.0±0.9	19–29	26.6±0.7	19–34
CSA (cm2)	94.0± 3.8	75–130	71.0±3.4	48–93	83.1±3.3	48–130
Height (cm)	179.0± 2.0	168–187	169.0± 2.0	160–182	174.0± 2.0	160–187
Body mass (kg)	79.9± 4.1	71–111	65.4± 2.5	48–92	72.01± 2.6	48–111

The degree of colinearity among the current study predictor variables_

	LLL	ML	ATL	CSA
LLL	1
ML	0.26	1
ATL	0.87	−0.25	1
CSA	0.69	−0.06	0.72	1