Legs
Back Lunge
If you suffer from time to time from knee pain, try the back lunge instead of the front lunge!
Legs
Deep Squat to Crab
I always have to think how to do it before I am starting, but once I am in the flow and stop thinking, it is a great exercise.
Legs
Standing Scale Variation/One Armed Dead Lift
This variation with knee to chest pull challenges your balance and works on your hamstrings and lower back!