Media Summary: 3 min warmup for PTR Level 1 certification PTR Level One Certification - 20 Minute Lesson This is an excellent methodology for instructing 'instant tennis.' My experience with the
Ptr Level 1 Certification Athletic - Detailed Analysis & Overview
3 min warmup for PTR Level 1 certification PTR Level One Certification - 20 Minute Lesson This is an excellent methodology for instructing 'instant tennis.' My experience with the Coach John and Julie going through a warm up to get ready for drills later.