'The Truth About Box Jumps'

Posted May 18

'About a year ago, all in the course of a single week, I saw messages from four of my Facebook friends who had ruptured an Achilles tendon while performing box jumps. Coincidence? Maybe, but it\'s enough to catch your attention. Risks aside, box jumps can be fun and the movement doesn\'t get enough attention when it comes to fitness. With that said, box jumps don\'t make a lot of sense on several fronts:  • They don\'t accurately measure true jumping ability. That\'s because your ability to jump onto high boxes relies more on your ability to land in a tucked squat position than it does on true jumping power. It\'s more a test of hip flexion than anything else.  • Box jumps really don\'t make you stronger or more muscular. So aside from possibly impressing your friends or enjoying the satisfaction that comes with posting a new PR, what\'s the point?   • Box jumps, as mentioned, tend to be high risk, not only in terms of Achilles ruptures, but also falls and related mishaps.   A Better Alternative  If you\'re looking to measure true jumping ability, the standard vertical jump, or even better, the standing long jump (which requires no special equipment and cannot be cheated) are better barometers. If, however, you\'re simply trying to get stronger and leaner, stick to the proven classics like squats, deadlifts, and various types of lunges. These alternatives are better suited for the development of strength and muscle growth, and they\'re much safer to boot. – Charles Staley' 

Tags: crossfit , box jumps

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