<b>Stability and change in physical activity levels: a literature rewiew based in the concept and values of tracking </b>

• Prif Awduron: Catarina Margarida da Silva Vasques (Awdur), André Seabra (Awdur), Rui Garganta da Silva (Awdur), José António Ribeiro Maia (Awdur), Vítor Pires Lopes (Awdur)
• Fformat: Llyfr
• Cyhoeddwyd: Universidade Federal de Santa Catarina, 2005-12-01T00:00:00Z.
• Pynciau: article
• Mynediad Ar-lein: Connect to this object online.

The main purposes of this paper is to review the concepts of stability and tracking, as well as the main results from longitudinal studies focusing on physical activity. We explain the different meanings of stability: structural, normative or covariance, level or means, and ipsative. We also look at...