Doing glute ham raise on a back extension machine. Is it possible with a mat?

[bruce9241]

Do you guys think the gym will allow me to use a yoga mat to do a Glute Ham raise/

My gym doesn't have one of those glute ham raise machines. They do however have a back extension raise machine.

This youtube video I just watched inspired me to try to use the gym yoga stretch mats to cushion my knee area when trying to do a Glute ham raise on a back extension machine.

YouTube - glute ham raise

 

[chazk]

http://www.youtube.com/watch?v=FM4fcVP4hHo&NR=1

this video is a better example. that other guy is using to much momentum and swing een bending his legs , the idea is to contract the hamstrings to raise the upper body.

THESE ARE VERY TOUGH TO DO WITH GOOD FORM, make sure your hams can handle it if not youll end up rocking around and bending alot on the lower back like in that first video

I would suggest doing the floor ones firt, you lay on a matt lock you feet under a bar somewhere be it the bottom of a bench or anywhere you can find a brace, you lay fat do a half push up to get started then lower your self slow and repeat , def before you try going all crazy and stuff