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 Post subject: Hyperextension Entries
PostPosted: Thu Jul 25, 2013 2:46 pm 
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I just discovered ExRx and find it to be an excellent resource.

I'm a little confused about the entries for Hyperextension exercises:

Weighted Hyperextension
Weighted Back Extension
Weighted Back Raise

These exercises appear to be the same, yet their classifications and muscle listings differ.

What's correct here?

Thanks!
Robert


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PostPosted: Fri Jul 26, 2013 7:03 am 
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A lot of time, the same exercise can be used for different purposes. Sometimes there are minor changes to focus the stimulus to specific areas. Sometimes the exercise is presented differently so you can use different equipment.

The main difference between hyperextention and back extention is the range of motion (ROM). Hyperextentions are don't with the full ROM the the trainees is safely capable of. Back extenstions are up to the point where you can maintain a neutral lumbar and is a safer version. Weighted back raise is done with focus on the hamstrings. The range of motion at the bottom is controlled so that a hamstring stretch is the limiting factor. When you watch those movies again, look at what happens to the lower back.

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Thanks TimD


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PostPosted: Fri Jul 26, 2013 9:44 am 
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That's very helpful, thanks.

Reading the entries again more carefully I noticed the crucial difference in execution of these exercises:

Weighted Hyperextension
Lower body by bending hips and waist until fully flexed.

Weighted Back Extension
Lower body by bending waist until fully flexed.

Weighted Back Raise
Lower body by bending hips until fully flexed.

So that's what I overlooked.


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