Metabolic and hormonal responses to different resistance training systems in elderly men

Figures & data

Table 1. Characterization of the sample.

Parameters	Mean ± SD
Age (years)	65 ± 3
Body mass (kg)	86 ± 18
Height (m)	1.75 ± 0.07
BMI (kg/m^2)	28 ± 4

Values expressed as the average ± standard deviation from average.

BMI: body mass index

Table 2. Metabolic and hormonal parameters before 2 and 24 h post execution of variable and constant intensity protocols.

Parameters	CI			VI
	Before	2 h	24 h	Before	2 h	24 h
Glucose (m/dL)	99.4 ± 4.2 (0.04)	103.1 ± 4.7 (0.04)	100.4 ± 4.8 (0.04)	100.1 ± 2.1 (0.02)	102.1 ± 3.5 (0.03)	99.2 ± 2.4 (0.02)
Testosterone (ng/dL)	36.0 ± 12.5 (0.34)	48.4 ± 9.3 (0.19)	34.4 ± 14.1 (0.40)	37.4 ± 13.1 (0.35)	47.7 ± 9.1 (0.19)	35.4 ± 13.3 (0.37)
Cortisol (ug/dL)	6.7 ± 3.1 (0.46)	6.4 ± 4.8* (0.75)	7.1 ± 2.3 (0.32)	6.4 ± 4.3 (0.67)	6.1 ± 3.1* (0.50)	5.4 ± 2.7 (0.50)
T:C	5.3 ± 6.2 (1.16)	7.8 ± 3.4* (0.43)	4.8 ± 7.1 (1.47)	5.7 ± 7.1 (1.24)	7.7 ± 3.1* (0.40)	6.4 ± 2.7 (0.42)
GH (ng/mL)	0.89 ± 2.2 (2.47)	0.70 ± 3.1 (4.42)	0.80 ± 1.3 (1.62)	0.99 ± 2.2 (2.22)	0.85 ± 5.1 (6.00)	0.87 ± 1.9 (2.18)
Lactate (mMol/L)	0.9 ± 0.8 (0.88)	1.26 ± 2.34 (1.85)	1.1 ± 1.2 (1.09)	1.1 ± 0.7 (6.36)	1.46 ± 1.67 (1.14)	1.0 ± 0.9 (9.00)

Values expressed as the average ± standard deviation and (coefficients of variation) of the hormonal and metabolic parameters pre 2 and 24 h post performing ST systems with constant intensity (CI) and varied intensity (VI).

*p < .01 versus before.

Table 3. Effect size related to rest.

Parameters	CI		VI
	Cohen’s d		Cohen’s d
	2 h	24 h	2 h	24 h
Glucose (m/dL)	0.88 (large)	0.23 (medium)	0.95 (large)	0.42 (medium)
Testosterone (ng/dL)	0.99 (large)	0.12 (small)	0.78 (medium)	0.15 (small)
Cortisol (ug/dL)	0.41 (small)	0.12 (small)	0.06 (small)	0.16 (small)
T:C	0.40 (small)	0.22 (medium)	0.28 (medium)	0.09 (small)
GH (ng/mL)	−0.08 (small)	0.04 (small)	0.06 (small)	0.05 (small)
Lactate (mmMol)	0.45 (small)	0.33 (medium)	0.51 (medium)	0.14 (small)