![]() ![]() By spending an extra few seconds to determine the most advantageous setup for your specific body type, the crunch machine can go from a potentially debilitating movement to a results-producing method for abdominal training: This can play a role in lower back pain and dysfunction.īefore you write off this machine for good, though, check yourself. When setting up in a relatively forward-flexed starting position at the spine and pelvis, as opposed to being slightly extended (usually preferred by the spinal column), the only way you can train is by going into hyperflexion of the spine. These unwanted forces could increase the chance of injury, especially with high rep ranges and frequencies, as people do with core training movements. The ab crunch machine is no different than any other machine, but setting up in a less than optimal position can create brutal and inefficient force planes. When was the last time you concentrated on setting the machine up according to your specific anthropometrics? Unless the setting on the machine is physically causing him pain while he's doing it, the average gym goer will power through his sets just fast enough to hightail it to the next exercise. Whether you're for or against training the spinal column into relative flexion, this machine unites all core-training schools of thought in its blatant disregard for what intelligent movement methods should actually entail. The ab crunch machine brings together two American novelties – the idea of achieving a chiseled six-pack and doing it while sitting on your ass. ![]()
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