Table 1.

Demographics

	EJCC skiers (n=20)	NA (n=10)	P value
Age in years±SD	17.82±0.89	18.07±0.64	0.437
Open physis	12	4	0.142
Closed physis	8	6	0.142

Three-year training history revealed a significantly greater average annual training volume of 528.10±68.34 hours for the EJCC skiers compared with 153.50±57.09 hours for the NA (p<0.001). Average training volume per week was 12.53±1.81 vs 3.10±1.11 hours, respectively.

EJCC, elite junior cross-country; NA, non-athletes.