The special issue on mindfulness and acceptance-based interventions in sport will present a compilation of research articles, case studies, and theoretical overviews on this cutting-edge approach to the enhancement of athletic performance and the promotion of general well-being. The issue will feature the theoretical foundations of the mindfulness and acceptance approach, recent research on both processes and efficacy, a case study demonstrating the use of this approach with an adolescent population, and a review of the history of this approach in the sport psychology discipline. This special issue is essential reading for those interested in how the mindfulness and acceptance-based intervention movement has affected sport psychology and for those interested in integrating this approach into their conceptual understanding of clients and their direct practice efforts.

A Review of the Theoretical Foundations and Empirical Developments of the Mindfulness-Acceptance-Commitment (MAC) Approach to Performance Enhancement
Zella E. Moore

An Empirical Investigation on the Relationship Between Mindfulness, Pre-shot Routine, and Basketball Free Throw Percentage
Amy Gooding and Frank L. Gardner

A Multi-Study Investigation Examining the Relationship Between Mindfulness and Acceptance Approaches and Sport Performance
Marjorie Bernier, Emile Thienot, Romain Cordon, and Jean F. Fournier

An Evaluation of Mindful Sport Performance Enhancement (MSPE): A New Mental Training Approach to Promote Flow in Athletes
Keith A. Kaufman, Carol R. Glass, and Diane B. Arnkoff

Mindfulness for Long-Distance Runners: An Open Trial Using Mindful Sport Performance Enhancement (MSPE)
Lillian A. De Petrillo, Keith A. Kaufman, Carol R. Glass, and Diane B. Arnkoff

Application of the Mindfulness-Acceptance-Commitment (MAC) Protocol With an Adolescent Springboard Diver: The Case of Steve
Lori Schwanhausser