John G Seifert

Muscle damage, fluid ingestion, and energy supplementation during recreational alpine skiing.

Markus Amann, M. Amann, J. Seifert, 2005, International journal of sport nutrition and exercise metabolism.

Changes in quadriceps muscle activity during sustained recreational alpine skiing.

Erich Müller, Josef Kröll, James M Wakeling, 2011, Journal of sports science & medicine.

Quadriceps Muscle Function during Recreational Alpine Skiing.

Erich Müller, Josef Kröll, James M Wakeling, 2010, Medicine and science in sports and exercise.