Originally Posted by
gsteinb
Theory is that by focusing on the single leg movements one can build strength and power while minimizing exposure to loads and errors that invite injury.
I feel like I'd be more likely to injure myself with x/2 weight on a single wobbly leg than with x weight on a (more) solid base.
Then again I hurt myself and am still dealing with the injury months later after trying to lift with 2 legs, so my intuition may not be very good there.