Effects of 12-Week Endurance Training at Natural Low Altitude on the Blood Redox Homeostasis of Professional Adolescent Athletes: A Quasi-Experimental Field Trial

Table 3

The training volume and impulse of altitude (Alt) and sea-level (SL) runners during the 12-week off-season conditioning program.

	Alt ()	SL ()
Training volume
Number of session/day	2	2
Training hours/session	1.5	1.5
Training days/week	6	6
Training impulse/day	967.0 ± 14.4	845.8 ±

Values are mean ± SD.
Significantly different from corresponding Alt value, .