Shake Weight Base Vibro Workout (whithout musik) @janicelw86 +

Аватар автора
Спортивные Тренировки и Упражнения для Новичков
Shake Weight is an isodynamic trainer. Therefore, the basic criteria of isometric training apply to him. 1. The level of muscle tension - not less than 35-45% of the maximum. 2. Do each exercise until muscle failure. 3. Breathe evenly, without delay. 4. Rest between exercises 10-15 seconds.

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