High Knee Tucks off Plyo Box
Strengthens lower abs and improves hip flexor power
Core & AbsIntermediateStrengthIsometric
At a glance
| Muscles worked | Primary: Lower abs and core |
|---|---|
| Muscle group | Core & Abs |
| Difficulty | Intermediate |
| Type | Strength · Isometric |
| Sets & reps | 4 sets × 12-15 reps |
| Estimated calories burned | ~50 kcal |
How to do it
- Step 1: Lie on the plyo box with upper back supported
- Step 2: Hang legs off the edge
- Step 3: Engage core and tuck knees toward chest
- Step 4: Extend legs back out with control
- Step 5: Keep lower back pressed into box
Equipment
- Plyo box optional
Coaching tips
Benefits
Strengthens lower abs and improves hip flexor power
Common mistakes
Swinging legs or letting lower back arch
Make it harder
Add a pause at the top or increase reps
Make it easier
Perform on floor or with bent knees
Breathing
Exhale when tucking knees
Build a workout with this exercise
Plan sessions, track your progress and match your meals to your training, free.
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Intermediate · 3 sets × 12-15 repsGeneral fitness and nutrition information, not medical advice. Check with a qualified professional before starting a new exercise or diet plan, especially if you have an injury or health condition.