Knee bends significantly on each hop
Stiff ankle plyometric becomes a single-leg squat jump.
Overactive muscles
QuadricepsHip flexors
Corrective work
Foam RollCalves↗StretchWall calf stretch — soleus (knee bent)↗Stiff ankle plyometric becomes a single-leg squat jump.
Ankle stiffness is lost the moment the heel touches.