General exercise guide
Back Extension
Save
Primary
Back
Secondary
Glutes, Hamstrings
Equipment
Machine
Difficulty
Beginner
Type
Hinge
See how Back Extension could fit a workout
The example below shows one possible placement. Your purchased plan is built from your assessment, and Ely checks every exercise before approving it.
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This page is not medical advice or a rehabilitation protocol. Ely's personal review applies to purchased workout plans and does not replace an in-person assessment by a licensed healthcare professional.
Back extensions strengthen your erector spinae—the muscles that run along your spine. Position yourself on the apparatus, lower your torso, then raise back to horizontal. Simple movement, direct lower back work. Your glutes and hamstrings assist, but your spinal erectors do the heavy lifting.
When to use it
Use for lower back strength for optimal results.
Who it's for
All fitness levels looking to build strength and muscle definition.
Coaching Note
Stop at horizontal—do not hyperextend into an arched position. Hyperextension compresses your spine under load and offers no additional benefit. Raise to neutral, squeeze, lower with control.
Muscles worked: Back Extension
Also targets: Glutes, Hamstrings
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Back Extension form guide
- 1
Position yourself on the back extension machine.
- 2
Secure your ankles under the pads.
- 3
Cross arms over chest or behind head.
- 4
Lower your upper body toward the floor.
- 5
Raise back up to horizontal.
- 6
Don't hyperextend for optimal results.
What are the best tips for the Back Extension?
Great for lower back strength.
Don't go past horizontal.
Can hold weight for progression.
Focus on control for optimal results.
When to Use the Back Extension
Use back extensions at the end of leg or back days to directly strengthen your lower back. Works well as a warm-up before deadlifts with light resistance. Hold a plate against your chest to add progressive overload once bodyweight becomes easy.
What are common Back Extension mistakes to avoid?
Hyperextending at top.
Forcing the end position of the Back Extension beyond the intended range shifts tension away from your Erector spinae. Finish the rep in a controlled position without adding extra joint motion.
Going too fast which reduces muscle tension and control.
Rushing through the Back Extension makes it easier to lose position and harder to keep tension on your Erector spinae. Slow down enough to control both the lifting and lowering portions of each rep.
Using momentum instead of controlled muscle contraction.
Bouncing or using momentum during the Back Extension makes the movement harder to control and can shift work away from your Erector spinae. Use a load you can move smoothly through the intended range.
Is the Back Extension right for you?
All fitness levels looking to build strength and muscle definition.
Programming examples for Back Extension
These ranges illustrate ways to organize training. They are not an individual prescription. Adjust them for the exercise, your experience, and the rest of your program.
Strength8-10 reps
Heavier loads can be useful for developing maximum strength. The range shown is an example, and the load must match your current technique and capacity.
Muscle Growth12-15 reps
Muscle growth can occur across different loads and repetition ranges. This example is not a uniquely effective zone; your overall program and effort also matter.
Endurance15-20 reps
This is an example of a longer set. A repetition target alone does not establish joint safety or whether the exercise is appropriate for you.
Example: 3 sets of 12-15 reps. Rest 60s.
Background for resistance exercises: the 2026 ACSM position stand covers healthy adults, and a load-comparison review found similar muscle growth across loads in studies using sets taken to muscular failure. These findings do not validate every exercise-specific range shown here or require training to failure.
Where Back Extension fits in your workout
This is one example of how Back Extension could sit inside a complete workout. Your plan may use different movements after Ely checks your assessment.
Sample workout
- Lat Pulldown4 × 8
- Row Variation3 × 10
- Back Extension3 × 12
- Face Pull3 × 15
Use this exercise in Gym Mode
MySetPlan guides you set by set, times your rest, records your work, and tells you what to do next from the plan Ely approved.
Start My $19 WeekWhat are good alternatives to the Back Extension?
Other Variations
- 45-Degree Back Extension
- Weighted Back Extension
- GHD Back Extension
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Safety Notes
- Don't hyperextend.
- Control the movement.