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Armpit hanging knee tuck

Increases instability challenge to core and lower back

BackBeginnerStrengthIsometric

At a glance

Muscles workedPrimary: erector spinae, glutes. Secondary: hamstrings, core
Muscle groupBack
DifficultyBeginner
TypeStrength · Isometric
Sets & reps3 sets × 30-60s
Estimated calories burned~65 kcal

How to do it

  1. Step 1: Scross arms and hang from a bar or smith machine
  2. Step 2: Engage core and keep body straight from head to heels.
  3. Step 3: Tuck knees towards chest and hold.
  4. Step 4: Squeeze glutes and lower back muscles.
  5. Step 5: Keep shoulders down and away from ears.
  6. Step 6: Breathe naturally and avoid holding breath.
  7. Step 7: Keep body stable and controlled.

Equipment

Coaching tips

Benefits

Increases instability challenge to core and lower back

Common mistakes

Letting body swing or hips sag

Make it harder

Increase hold time or add leg lift

Make it easier

Use support or reduce hold time

Breathing

Exhale on engagement, inhale on relaxation

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General 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.