Allgemein, Inner Coaching, Motor Learning, Nonlinear pedagogy, Tennistraining Serving from aside 10. Juli 2017 Frercks Hartwig Schreibe einen Kommentar Constraints-led coaching. Improve service, recovery and more
Allgemein, Inner Coaching, Nonlinear pedagogy, Tennistraining Vamos 15. Juni 2017 Frercks Hartwig Schreibe einen Kommentar Another constraints led coaching drill to improve service, return and recovery.