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  3. Exercises
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  5. Shoulders
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  7. Boxing Hook

Exercise guide

Boxing Hook

  • Intermediate
  • Compound
  • Timed hold
  • Shoulders
  • Upper arms
  • Waist

The left hook is an explosive rotational strike that generates power from the ground up, utilizing the hips and core to deliver a high-impact blow. It is highly effective for developing functional core strength, shoulder stability, and total-body coordination.

Reviewed by the Crucible Fit team · Updated June 2026

Watch the Boxing Hook demonstrationVideo and instructions for every movement are in the Crucible Fit app.

Muscles worked

Primary

  • Biceps
  • Deltoids
  • Forearms
  • Lats
  • Obliques
  • Pectorals
  • Triceps

Secondary

  • Abs
  • Rhomboids
  • Serratus anterior
  • Trapezius

Equipment

  • Body weight

Setup

  1. Assume an orthodox boxing stance with your left foot forward, knees slightly bent, and weight on the balls of your feet.
  2. Hold both hands up near your chin, elbows tucked into your ribs to protect your torso.
  3. Position your feet slightly wider than shoulder-width apart, angled at 45 degrees to your target.

How to do it

  1. Pivot your lead (left) foot and hip inward while shifting your weight slightly toward your rear leg.
  2. Raise your left elbow until your forearm is parallel to the floor, maintaining a 90-degree angle at the elbow joint.
  3. Exhale sharply as you rotate your torso and shoulder as a single unit, driving the fist across the target line.
  4. Snap the hand back to your face immediately after the strike to return to a defensive guard.

Form checklist

  • Keep your elbow and wrist on the same horizontal plane at the moment of impact.
  • Ensure your right hand remains glued to your chin to protect against counter-strikes.
  • Pivot the lead heel outward to fully engage the glutes and obliques.
  • Avoid 'winding up' by pulling the hand back; fire the punch directly from your guard.
  • Keep your chin tucked behind your lead shoulder during the rotation.

Pro tips

  • Think of your body as a door hinge where your spine is the axis; the power comes from the rotation of the axis, not just the arm.
  • Contract your lats and core at the end of the punch to 'stop' the motion at the center line, preventing over-rotation and loss of balance.

Make it harder

  • Perform a 'slip' to the left immediately before the hook to pre-load the lead hip for maximum power.
  • Incorporate the hook into a rapid combination, such as a Jab-Cross-Hook (1-2-3), focusing on fluid weight transfer.

Frequently asked

What muscles does the boxing hook work?
The boxing hook primarily targets the biceps, deltoids, forearms, lats, obliques, pectorals, and triceps, and also works the abs, rhomboids, serratus anterior, and trapezius as secondary muscles.
What equipment do you need for the boxing hook?
The boxing hook requires no equipment — just your body weight.
Is the boxing hook good for beginners?
The boxing hook is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.

Related exercises

  • Baseball HitAdvanced · biceps, deltoids, glutes, hamstrings, lats, obliques, pectorals, quadriceps, and triceps
  • Kettlebell Arm BarAdvanced · abs, deltoids, lats, obliques, pectorals, and triceps
  • Sledge HammerIntermediate · biceps, deltoids, erector spinae, lats, pectorals, and triceps
  • Slip Right Slip Left Left Hook Cross ComboIntermediate · abs, biceps, deltoids, obliques, pectorals, and triceps

Train it with Crucible Fit.

Every movement in this library is in the app with video and instructions, ready for your own sessions on the days between Crucibles. Your first Crucible is on us.

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