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Machine Back Extension Strength Standards

Quick Answer Machine Back Extension

A 180 lb male with an Intermediate-level Machine Back Extension of 278 lbs ranks at the 50th percentile (FVCP), stronger than ~50% of lifters. An Advanced lifter at this weight lifts 417 lbs (2.32x bodyweight).

FitnessVolt Competition Percentile (FVCP), based on 2.5M+ verified competition results

Competition-Verified

How strong is your Machine Back Extension? Compare your 1RM against standards for 21 bodyweight categories, from Beginner to Elite.

Primary Muscles Glutes, Hamstrings, Lower Back
Equipment Back Extension Machine
Data Points 71 rows

How Strong Is Your Machine Back Extension?

Your FVCP:
FitnessVolt Competition Percentile, based on 2.5M+ verified results
th percentile
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to track your progress over time.

How Much Should You Machine Back Extension?

1RM weight (lbs) you should be able to lift at each standard, based on your bodyweight.

BW (lbs) Beginner Novice Intermediate Advanced Elite
110 20 65 140 243 367
120 29 80 161 270 400
130 38 95 182 297 433
140 47 109 202 322 463
150 57 124 221 347 493
160 67 138 241 371 521
170 77 153 259 394 549
180 87 167 278 417 575
190 97 181 296 438 601
200 108 195 313 460 626
210 118 208 330 481 650
220 128 222 347 501 674
230 138 235 364 520 696
240 148 248 380 540 719
250 158 260 395 558 740
260 168 273 411 577 761
270 177 285 426 595 782
280 187 297 441 612 802
290 196 309 455 629 821
300 206 321 470 646 841
310 215 333 484 662 859

How Does Age Affect Machine Back Extension Strength?

How Machine Back Extension standards change across different age groups. Values represent a 1RM in lbs.

Age Beginner Novice Intermediate Advanced Elite
15 57 125 225 353 504
20 65 143 257 405 576
25 67 147 264 415 591
30 67 147 264 415 591
35 67 147 264 415 591
40 67 147 264 415 591
45 63 139 250 394 561
50 59 131 235 370 527
55 55 121 217 342 487
60 50 110 198 312 445
65 45 100 179 282 402
70 41 89 161 253 360
75 36 80 144 226 322
80 33 71 129 202 288
85 29 64 115 181 258
90 26 58 104 163 233

What Do Machine Back Extension Strength Standards Mean?

Beginner

Stronger than 5% of lifters. You are learning the movement path and resistance curve on the Machine Back Extension, building the controlled movement pattern and mind-muscle connection needed to train the target muscle effectively.

Novice

Stronger than 20% of lifters. You can perform the Machine Back Extension with strict form and a smooth tempo. You are adding resistance progressively without sacrificing range of motion or using body English.

Intermediate

Stronger than 50% of lifters. Your Machine Back Extension is performed with excellent control and targeted tension. You use RPE to manage isolation work intensity and program it strategically within your training split.

Advanced

Stronger than 80% of lifters. You have built significant strength on the Machine Back Extension through disciplined, progressive training. You employ advanced techniques like drop sets, pauses, and tempo work to continue driving adaptation.

Elite

Stronger than 95% of lifters. Your Machine Back Extension strength is at the upper end of what most lifters achieve. You have maximized the target muscle development through years of focused, periodized isolation work.

How to Progress Your Machine Back Extension

Tier-specific training recommendations to move your Machine Back Extension to the next level.

Beginner → Novice Building Your Foundation
  • Train the Machine Back Extension 2x per week with slow, controlled reps.
  • Focus on full range of motion and eliminating momentum or swinging.
  • Keep sets at RPE 6-7 to develop proper movement patterns.
  • Build the mind-muscle connection - feel the target muscle working on every rep.
Track your E1RM progress →
Novice → Intermediate Structured Progression
  • Increase load progressively while keeping strict form on the Machine Back Extension.
  • Program 3-4 sets of 8-15 reps at RPE 7-8.
  • Add a variation (different grip, angle, or equipment) to address development gaps.
  • Place isolation work after your primary compound movements.
Plan your RPE-based sessions →
Intermediate → Advanced Advanced Isolation Techniques
  • Use drop sets, paused reps, and partial reps to break through Machine Back Extension plateaus.
  • Train at RPE 8-9 with advanced intensity techniques on your last 1-2 sets.
  • Manipulate tempo to increase time under tension without compromising form.
  • Manage total volume for the target muscle group across all exercises.
Calculate working set loads →
Advanced → Elite Mastery
  • Maximize Machine Back Extension strength through precise programming and fatigue management.
  • Use periodized blocks to cycle between volume, intensity, and deload phases.
  • Quality of contraction matters more than load at this level.
  • Continuous refinement of technique will yield the remaining gains.
View RPE-to-percentage chart →

How to Perform Machine Back Extension

  1. Adjust the machine's pad height so it's at the level of your hips.
  2. Sit on the machine with your back against the pad and feet flat on the footrests.
  3. Secure the pad against your thighs or lower back, depending on the machine type.
  4. Cross your arms over your chest or grip the handles, keeping your back straight.
  5. Inhale and slowly extend your back, pushing against the resistance to straighten your spine.
  6. Pause briefly at the top of the movement, ensuring your back remains in a neutral position.
  7. Exhale and slowly return to the starting position, maintaining control and avoiding hyperextension.
  8. Repeat for the desired number of repetitions.

Tips for Machine Back Extension

  • Keep your movements slow and controlled to avoid injury.
  • Ensure your back remains straight throughout the exercise; avoid arching or rounding your back.
  • Adjust the machine properly to match your body size for optimal performance.
  • Engage your core muscles to support your lower back during the movement.
  • Avoid using excessive weight that compromises your form.

Where Do These Machine Back Extension Standards Come From?

These Machine Back Extension standards are based on 2.5M+ verified competition results from powerlifting, weightlifting, and strongman federations worldwide. Every number comes from a sanctioned meet with certified judges - not self-reported gym lifts. Data is sourced from OpenPowerlifting and other verified competition databases, ensuring accuracy you can trust.

Last Updated: March 30, 2026

Reviewed by the Fitness Volt Editorial Team, certified strength training analysts.

Is Your Machine Back Extension Good for Your Weight?

Strength standards help you objectively measure your Machine Back Extension performance relative to other lifters of the same bodyweight and sex. Here is how to interpret them:

  1. Find your bodyweight in the left column of the table above.
  2. Look across the row to find which strength level your 1RM falls into.
  3. Use the age tab to see how your strength compares within your age group.
  4. Switch between Male and Female standards using the toggle - each has its own dataset.

If you do not know your 1RM, use the E1RM Calculator to estimate it from any rep set. For example, if you can Machine Back Extension 185 lbs for 5 reps, the calculator will estimate your max.

These standards are derived from 2.5M+ competition results across powerlifting, weightlifting, and strongman federations worldwide, combined with community training data.

Frequently Asked Questions

A "good" Machine Back Extension depends on your bodyweight, sex, and training experience. As a general benchmark, an Intermediate-level lift (stronger than 50% of lifters) is a solid goal for most recreational athletes. Check the table above for your specific bodyweight.
Most lifters can reach Intermediate level on the Machine Back Extension within 1-2 years of consistent training with progressive overload and proper nutrition. Genetics, training program quality, and recovery all play a role.
Yes. Our standards are calculated from 2.5M+ verified competition results and community-reported data. They are adjusted for bodyweight and age to give you an accurate comparison.
These standards are based on raw (unequipped) lifts. If you use supportive equipment like a bench shirt or squat suit, your equipped numbers will be higher than these standards reflect.

Related Exercise Standards

Related Calculators

E1RM Calculator Estimate your one-rep max from any rep set Benchmarks Compare against competition data RPE Chart Training load percentages by RPE