2 1 leg curl method Here’s an awesome single leg lying leg curl variation which can also be used well for people who are struggling with a single leg curl. Lots of leg curl machines can be quite heavy for people, even the lowest level for a single leg set. But, a way around this so you can begin building strength in your hamstrings with one leg reps is to utilise a 2 1 method This involves performing reps with BOTH legs in the concentric portion of the rep ( concentric is the muscle lifting the