Karin A. Pfeiffer

Physical Activity and Motor Competence Present a Positive Reciprocal Longitudinal Relationship Across Childhood and Early Adolescence.

A. Bugge, D. Stodden, R. A. Lima, 2017, Journal of physical activity & health.

Tracking of Physical Fitness Components from Childhood to Adolescence: A Longitudinal Study

K. Pfeiffer, V. Seefeldt, S. Siegel, 2020 .