They grind my knees into a pulp.
ahh these are killers, but fuck they hit the hammies hard!
their GHR without the GHR machine, also your knees are level with your body, so its like a GHR on its hardest possible setting.These are GHR's not hamstring curls
A special mention goes out to the young lass in the first video.
Surprised no one mentioned that earlier in the thread. Firm legs like that would feel great on my ears.
You boys! **shakes fist!