J. Coyle

An objective method for measurement of sedentary behavior in 3- to 4-year olds.

S. Grant, J. Reilly, L. Kelly, 2003, Obesity research.

Backpack Use in Children

J. Coyle, S. Goodgold, Moira Corcoran, 2002, Pediatric physical therapy : the official publication of the Section on Pediatrics of the American Physical Therapy Association.