Niels Brage

Hierarchy of individual calibration levels for heart rate and accelerometry to measure physical activity.

Karsten Froberg, Ulf Ekelund, Nicholas J Wareham, 2007, Journal of applied physiology.

Branched equation modeling of simultaneous accelerometry and heart rate monitoring improves estimate of directly measured physical activity energy expenditure.

U. Ekelund, M. Wong, N. Wareham, 2004, Journal of applied physiology.

Reliability and validity of the combined heart rate and movement sensor Actiheart

U. Ekelund, N. Wareham, S. Brage, 2005, European Journal of Clinical Nutrition.

Reliability and Validity of the Computer Science and Applications Accelerometer in a Mechanical Setting

S. Brage, N. Brage, K. Froberg, 2003 .

Effect of combined movement and heart rate monitor placement on physical activity estimates during treadmill locomotion and free-living

U. Ekelund, N. Wareham, S. Brage, 2006, European Journal of Applied Physiology.