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45-Degree Back Extension

Strengthen your lower back and glutes with the 45-Degree Hyperextension! A simple, effective exercise for a stronger posterior chain.

The 45-Degree Back Extension is a compound exercise that mainly works the lower back, hamstrings and glutes & hips, with help from the core. You'll need: hyperextension bench.

45-Degree Back Extension demo video 2
45-Degree Back Extension demo video 3
Ms. Color
JustGains_XX
@JustGains_XX

Required Equipment

Hyperextension Bench
Hyperextension Bench

45-Degree Back Extension Muscles Worked

Primary

Spinal Erectors (erector spinae); Hamstrings; Glutes (gluteus maximus)

Secondary

Deep Core (transverse abdominis); Lower Back (quadratus lumborum)

How to do the 45-Degree Back Extension

  1. Setup:

    • Position the hyperextension bench at a 45-degree angle.

    • Adjust the foot pads of the bench to secure your feet comfortably, ensuring they are snug but not overly tight.

  2. Starting Position:

    • Lie face down on the bench with your hips resting on the edge.

    • Your body should form a straight line from your head to your heels, with your legs extended and your feet secured under the foot pads.

    • Cross your arms over your chest or place your hands behind your head, whichever feels more comfortable.

  3. Movement:

    • Begin with your torso parallel to the ground. This is your starting position.

    • Slowly lower your upper body towards the ground by bending at the hips while keeping your back straight. Go as low as comfortable without losing form.

    • Hold the lowered position momentarily, feeling a stretch in your back.

  4. Return to Start:

    • Engage your lower back and hamstring muscles to lift your body back up to the starting position.

    • Ensure you are raising your torso in a controlled manner, avoiding any jerking motions.

    • Return to the parallel position, ensuring your body remains straight.

  5. Repetitions:

    • Perform 10 to 15 repetitions, keeping the movements smooth and controlled throughout.

  6. Tips:

    • Focus on engaging your core throughout the exercise to maintain stability.

    • Ensure your neck is neutral by keeping your gaze towards the ground.

    • If you're a beginner, start with fewer repetitions and gradually increase as you build strength.

Safety:

  • Avoid rounding your back during the movement to prevent strain.

  • If you feel any sharp pain, stop immediately and reassess your form or consult a trainer.


🤔 At home?

You can use your squat-rack or smith-machine in a pinch.

  • Setup a barbell at about waist height.

  • Position your feet against a couple heavy weight or objects to brace your feet.

  • Lean over the bar and hinge your hips over it in slow controlled motions.

- Ben Patrick (KneesOverToes)

45-Degree Back Extension FAQs

What muscles does the 45-Degree Back Extension work?

The 45-Degree Back Extension mainly works the lower back, hamstrings and glutes & hips, with help from the core. The main muscles are the erector spinae, hamstrings and gluteus maximus.

What equipment do you need for the 45-Degree Back Extension?

Hyperextension bench.

Is the 45-Degree Back Extension a compound exercise?

Yes. It's a compound movement, meaning it trains several muscle groups at once rather than isolating one.

What workout day should the 45-Degree Back Extension go on?

It belongs on leg day in a push/pull/legs routine.

What are some 45-Degree Back Extension variations and alternatives?

Similar exercises include the 45-Degree Back Extension with Scapular Adduction, 45-Degree Hip & Glute Focused Extension, 45-Degree Twisting Hyperextension and Machine 45-Degree Back Extension.

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