Here is an exercise I seriously advise. All I have done for legs since beginning Hung Gar Gong Fu is stance work and these. I think these play a large part in my strength in my legs. I do a lot of back work with weights (rows nothing heavier than a 135lb sandbag though) sandbags Kbs and bands. So some rows, stance, work and these. I did an eagle loop deadlift of 500lbs not training any deadlifts at all with a barbell since I wana may, maybe even before that. So take that for it's worth.
Wall sits. Yes wall sits I'm sure you've all done them, but there is a trick to them. Add weight. Take a plate (preferably a loading pin so you can add better) go into a parallel stance and hold for time. Now I think this is probably 1/3 of where my strength is coming from. The other 1/3 from stances and the final from back movements. I seriously think these play a part and advise them to try for everyone.
Wall sits. Yes wall sits I'm sure you've all done them, but there is a trick to them. Add weight. Take a plate (preferably a loading pin so you can add better) go into a parallel stance and hold for time. Now I think this is probably 1/3 of where my strength is coming from. The other 1/3 from stances and the final from back movements. I seriously think these play a part and advise them to try for everyone.