The Dumbell Jump Squat; Develops the strength in the hip extensors, knee extensors & plantar flexors with one exercise.
In the world of explosive power production, Yuri Sedych is no lightweight. Great exercise.
Louie Simmons believes the entire force-time (or force-velocity) curve should be worked with this exercise.
That means, do explosive partial jump squats with heavy/moderately heavy/light weights and bodyweight only jumps.
Charlie Francis believes you have to be as reactive and explosive as possible. Jump as high as you can while maintaining minimal ground contact time.
While other research shows that optimal power can be achieved with higher intensities, you'll utilize
30%-50% of your one-rep max (1RM) of your deadlift or bodyweight.
Aim for 4-5 sets, 6-10 reps. Its a great exercise.
Vasiley Alexeyev (Strongman) got in to arguments often with the national coaches. He would do a 1000 jumps EVERYDAY, before every work out. So jumping must have some significance.
If your knees & lower back are healthy, inter-wind this exercise with your deadlift/lowerbody workout routine.