Validity of four motion sensors in measuring moderate intensity physical activity
David R. Bassett
,
Barbara E. Ainsworth
,
Ann M. Swartz
,
David R. Bassett
,
Barbara E. Ainsworth
,
Ann M. Swartz
,
Scott J. Strath
,
W. L. O’Brien
,
George A. King
2000
Medicine & Science in Sports & Exercise
522 citations