Assertion: athlete's period | /r/CapableOf | alternate every 15 min
Facets:
value: between 85
type: TEMPORAL
Source sentences:
text: They tested seven male trained cyclists (ages 23+/- 1 yr) and each subject completed two trials (each one week apart) where they cycled for long periods of time alternating every 15 min between 60% and 85% of their VO2 max until fatigued.