Table 2. The number of participants in various measurements and respondents to
questionnaires in different training activity groups.

Study	Measurement Training activity group	Male exercise group (n)			Female exercise group (n)	Male control group(n)	Female control group (n)
	Vertical squat jump (cm)	61			104	10	12
1, 4	High training group Moderate training group Low training group	28 17 16			57 30 17
	Standing long jump (cm)	49			102	6	7
4	High training group Moderate training group Low training group	24 16 9			56 29 17
	20 metre running time (s)	61			104	10	12
1	High training group Moderate training group Low training group	28 17 16			57 30 17
	Maximal anaerobic cycling power (W) and Maximal oxygen uptake (kg·ml-1·kg-1)	40			38	6	10
1	High training group Moderate training group Low training group	20 9 11			19 12 7
	Trunk flexion/extension (Nm and Deg·s-1)	57			50	8	10
2, 3	High training group Moderate training group Low training group	28 14 15			25 17 8
	Questionnaires (Perceived health, fitness, physical activity, musculoskeletal symptoms, socio-economic status)	64			107	10	8
4, 5	High training group Moderate training group Low training group	28 20 16			57 30 20