Both are good but I like Hang Romanians Deficit Deadlifts the best, gives a nice stretch, and it allows you to work with a negative.'
Hit Those Hamstrings Hard
BTW I refuse to call full rom hyper-extensions, "glute ham raises" I think the name is queerer then a bundle of sticks.
Lets compare HYPER EXTENSION MAN! =
FULL ROM HYPER EXTENSION MAN =
and his side kick captain awesome
Glute ham girl....boy =