Explosive weighted squats
Calves - Glutes - Hamstrings - Lumbar - Quadriceps

- Utilize a dumbbell, kettlebell, weighted vest, or similar to add extra weight and perform a squat, lowering to 90 degrees and explosively jumping back up.
You may also like

Isometric femoral bridge with elevation
Glutes ∙ Hamstrings

Maldini squat
Quadriceps ∙ Glutes

Isometric upper-body lumbar crunch
Lumbar

Skipping
Quadriceps ∙ Calves ∙ HipFlexors

Barbell assisted posterior chain stretch
Calves ∙ Glutes ∙ Hamstrings ∙ Lumbar

Kettlebell swing with twist
Quadriceps ∙ Obliques ∙ AnteriorDeltoid ∙ Lumbar ∙ Glutes ∙ Hamstrings ∙ UpperChest ∙ LowerChest ∙ UpperTrapezius