TITLE:
The Yo-Yo tests and twelve-minute run test performance in young Japanese cross-country skiers
AUTHORS:
Denda Yuki, Oh Taewoong, Nakajima Setsuko
KEYWORDS:
Yo-Yo Intermittent Recovery Tests; Endurance Sports; Aerobic; Anaerobic; Performance
JOURNAL NAME:
Open Journal of Preventive Medicine,
Vol.3 No.2,
April
30,
2013
ABSTRACT: Purpose: The aim of
the present study is to examine the performance of young Japanese cross-country
skiers of different competitive levels with the use of Yo-Yo tests and the 12-minute run test (12MRT) that have been demonstrated to be related to each
level, and to know which test is suitable for different competitive
performance. Methods: Elite group (N = 9) was 16.9 ± 0.3 years and moderate
trained group (N = 22) was 16.1 ± 0.9 years. The testing sessions consisted of
the following: 1) Vertical jump and 50m sprint; 2) the Yo-Yo tests level 1 and
2 (intermittent recovery); 3) 12MRT. Results: Results showed the vertical jump
heights and 50m sprint that no significant both performances differences were
found among the two groups. Significant the Yo-Yo tests and 12MRT performances
differences were found between the two groups (p