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Last updated February 2, 2026
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latslower backteres majortrapezius
Back Extension (v2) (Machine)
Perform repetitions on the 45-degree roman chair. Cross arms over chest, lower down, and raise up until straight.
Quick facts
- Difficulty
- Easy
- Mechanic
- Isolation
- Force
- Pull
- Type
- Strength
- Injury Risk
- Low
- Hypertrophy
- High
- Calorie Burn
- Medium
Muscle focus
Primary and secondary muscle groups targeted by this movement.
Primary
lower back
Secondary
glutes (max)
Equipment & setup
What you need and how to position yourself before starting.
Equipment
weight machines / selectorized
Movement pattern
Bilateral
Posture
Seated
Tracking parameters
repsweight
Step-by-step instructions
Follow these cues to master proper technique and stay safe through every rep.
- Step 1Setup
- Adjust the machine so that the pads rest comfortably on your lower back.
- Position your feet flat on the platform, shoulder-width apart.
- Step 2Position Your Body
- Sit on the machine with your back against the pad, ensuring your hips are aligned with the pivot point of the machine.
- Engage your core and keep your back straight throughout the exercise.
- Step 3Start Position
- Begin with your torso upright and your arms crossed over your chest or placed behind your head.
- Make sure your feet are securely positioned on the platform.
- Step 4Perform the Extension
- Slowly lower your torso towards the ground by bending at the hips, keeping your back straight.
- Lower until you feel a stretch in your lower back, but do not go too low to avoid strain.
- Step 5Return to Start
- Engage your lower back muscles to raise your torso back to the starting position.
- Ensure that you do not hyperextend your back at the top of the movement.
- Step 6Repeat
- Continue to perform the extension and return to the start position for the desired number of reps.
- Focus on maintaining good form throughout each repetition.
- Step 7Finish the Exercise
- After completing your reps, carefully exit the machine.
- Ensure you maintain your balance as you step away from the machine.