The byrdband arm trainer teach runners the proper running arm swing by laminating arm crossing the body midline, carrying the arms too low or not moving the arms at all while running.
Arm Trainer Running tips for perfect running
Arm Trainer Running tips for perfect running
2024-06-05
Sports, Running - Arm Trainer Running tips for perfect running. The byrdband arm trainer teach runners the proper running arm swing by laminating arm crossing the body midline, carrying the arms too low or not moving the arms at all while running.