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Re:Common Muscular Weaknesses by RandomInteger4 on Wednesday May 22, 2019 @02:12PM (#19983832)
Oh wow, yeah I just checked it out

(https://exrx.net/WeightExercises/Hamstrings/BBStraightLegDea...)

Das ist no bueno. At least he's using light weight, so it's less likely that he'll bulge a disk, but still bad.

Re:Common Muscular Weaknesses by jaf656s on Wednesday May 22, 2019 @03:24PM (#19984566)
They have caveats about the back bending and also have a straight back variation: https://exrx.net/WeightExercises/Hamstrings/BBStrBackStrLegD...
Re:Common Muscular Weaknesses by alboy on Wednesday May 22, 2019 @02:51PM (#19984247)