My son has the Insanity Workout dvd set. Is it safe for him to use? He's 14.
My son Plays on the varsity football team. i was just wondering if it would stunt his growth. Thank You!
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My son has the Insanity Workout dvd set. Is it safe for him to use? He's 14.
My son Plays on the varsity football team. i was just wondering if it would stunt his growth. Thank You!
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