Table 4.

Muscular strength (1RM) and aerobic fitness prior to and following the 12-week intervention.

	Placebo (n = 13)			Vitamin D (n = 10)
	Baseline	12 weeks	Change	Baseline	12 weeks	Change
Leg Press (kg)	222.0 ± 55.0	272.2 ± 51.1a	50.2 ± 25.0	229.2 ± 62.8	281.4 ± 63.5a	52.2 ± 20.3
Chest Press (kg)	43.0 ± 18.2	53.1 ± 20.7a	10.1 ± 3.4	46.3 ± 16.9b	56.2 ± 20.0a,b	10.0 ± 3.6
Leg Curl (kg)	63.6 ± 21.2	84.5 ± 24.2a	21.0 ± 8.3	63.6 ± 16.0	83.3 ± 20.6a	19.7 ± 8.5
Est. VO2max (mL·kg−1·min−1)	33.3 ± 5.8	39.0 ± 9.3	5.7 ± 8.2	33.5 ± 3.8	38.8 ± 4.3	6.0 ± 6.0

All values are means ± SDs.

^aSignificantly different from baseline (P<0.05);

^bSignificant group difference (P<0.05).

1RM, one repetition maximum. Est. VO₂max, estimated maximal oxygen consumption.