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Machine Back Extension strength standards

What is a good Machine Back Extension?

For a 180 lb male, an Intermediate Machine Back Extension is about 278 lb (1.54x bodyweight). Advanced starts around 417 lb. Enter your own bodyweight below to get the exact standard and FVCP rank.

Good target 278 lb Intermediate at 180 lb
Next tier 417 lb Advanced standard
Gym median Separate tab Self-reported, not blended
Check My Level Estimate Your 1RM Methodology
Evidence ledger No blended rankings
Primary source FitnessVolt standards model
Available views Standards
Coverage 21 bodyweights × 5 levels

Competition results, gym submissions, and reader logs stay labeled separately so the ranking source is clear.

Quick Answer Machine Back Extension

A solid (Intermediate) Machine Back Extension for a 180 lb male is about 278 lb (1.54x bodyweight). Use the calculator below to convert your own Machine Back Extension into an FVCP percentile for your bodyweight. An Advanced lifter at this weight reaches 417 lb (2.32x bodyweight).

FitnessVolt standards, with FVCP competition rankings shown separately from gym percentiles

Estimated Standards

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
Standards Coverage 21 bodyweights × 5 levels

How Strong Is Your Machine Back Extension?

Intermediate (competition scale)
Typical FVCP: 50th percentile
A 180 lb male lifting 278 lbs (1.54x bodyweight) on the Machine Back Extension ranks Intermediate on the FVCP competition scale, stronger than ~50% of verified competition lifters at this bodyweight. Enter your own numbers above to see where you stand.

That clears the median for this bodyweight and gives you a useful benchmark for the next tier.

Over 40? Our calculator also reports an age-adjusted percentile and an age-30 equivalent using the McCulloch age factor, so masters lifters are compared to lifters their own age. See the age-adjusted (Masters 40+) standards below for the full breakdown.

FVCP competition ranking, shown separately from gym percentiles and reader logs
Your FVCP:
Age-adjusted percentile
lb Age-30 equivalent 1RM

FVCP competition ranking, shown separately from gym percentiles and reader logs
th percentile

Illustrative: a normal-distribution model anchored to the real Beginner to Elite percentile thresholds for your bodyweight. The marker shows where your lift falls, not a measured frequency count.

Help improve accuracy for everyone
Share your FVCP with friends
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to track your progress over time.

Reader Data Is Still Building

We do not have enough reader-submitted Machine Back Extension entries yet to publish a stable crowd benchmark. Until then, this panel shows the Intermediate standards baseline only:

278 lb Typical 1RM (Intermediate)
1.54x x Bodyweight

Baseline figures for a 180 lb male at Intermediate level, from the standards table. This is not reader-submitted data. So far readers have logged a lift here.

Enter your numbers above first. We publish reader benchmarks only after a sample threshold is met.

How Much Should You Machine Back Extension?

Use this table to find the standard closest to your bodyweight. The tiers are standards, not claims about reader submissions.

How a male lifter's expected 1RM scales with bodyweight at each level. Exact numbers in the table below.

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

Is Your Machine Back Extension Good?

A quick read on what counts as a good Machine Back Extension at each level, for a typical male and female lifter.

Men (180 lb): a good (Intermediate) Machine Back Extension is about 278 lb (1.54x bodyweight). Advanced lifters hit 417 lb (2.32x), and Elite is 575 lb (3.19x).

Women (140 lb): a good (Intermediate) Machine Back Extension is about 89 lb (0.64x bodyweight). Advanced lifters hit 133 lb (0.95x), and Elite is 184 lb (1.31x).

How Much Should You Be Able to Machine Back Extension?

Men: a 180 lb male should lift about 278 lb at an Intermediate level (a beginner target is around 87 lb).

Women: a 140 lb female should lift about 89 lb at an Intermediate level (a beginner target is around 29 lb).

By bodyweight (men): A 150 lb lifter lifts about 221 lb, and a 220 lb lifter lifts about 347 lb at an Intermediate level. Find your exact bodyweight in the table above.

By age (men): at an Intermediate level a 30 year old male lifts about 264 lb, while by age 50 the Intermediate standard is about 235 lb. See the By Age tab for every age band.

FitnessVolt standards, with FVCP competition rankings shown separately from gym percentiles

How Does Age Affect Machine Back Extension Strength?

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

How a male lifter's expected 1RM changes with age at each level. Exact numbers in the table below.

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 progress with the one rep max calculator →
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?

FitnessVolt keeps each data population labeled. Competition percentiles use verified raw meet results where available. Gym percentile tabs use self-reported Symmetric Strength data. Reader-submitted benchmarks appear only after enough entries are logged for this lift.

Standards data last refreshed: March 28, 2026

Is Your Machine Back Extension Good for Your Weight?

Use this page to compare your Machine Back Extension against clearly labeled standards and percentile datasets. Here is the cleanest way to read it:

  1. Start with Standards to find the tier closest to your bodyweight.
  2. Use Gym Percentiles when you want self-reported gym comparisons.
  3. Use Competition for verified meet-result percentiles where the lift supports it.
  4. Use By Age when age-segmented gym data is available.

If you do not know your 1RM, use the one rep max 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.

The important rule: do not mix the tabs. Standards, gym percentiles, competition percentiles, and reader logs answer different questions.

Frequently Asked Questions

A "good" Machine Back Extension depends on your bodyweight, sex, and training background. The Intermediate tier is a useful first serious target, while Advanced and Elite represent much harder standards. Use the table above for the number closest to your bodyweight.
Many lifters can reach the Intermediate tier on the Machine Back Extension after steady training, but the timeline depends on starting point, technique, programming, recovery, and bodyweight changes. Treat the tier as a benchmark, not a deadline.
Yes. Competition views use verified meet-result data where available, gym percentile views use self-reported gym cohorts, and reader-submitted benchmarks are shown only after enough entries are logged. The populations are labeled separately.
For weighted lifts, enter a clean raw 1RM or an estimated 1RM from a recent hard set. For rep-based movements, enter controlled full-range reps. Avoid equipped lifts, partial reps, or bounced reps unless you are comparing against the same style every time.

Related Exercise Standards

Related Calculators

One Rep Max Calculator Estimate your one-rep max from any rep set Benchmarks Compare against competition data RPE Chart Training load percentages by RPE
Written by Tom Miller, CSCS · Reviewed by Editorial Team
Tom Miller, CSCS, is a Sr. Editor & Content Strategist with 10 years of experience in Powerlifting and Personal Training. As a Certified Strength and Conditioning Specialist, he is dedicated to delivering informative, engaging, and reliable health and fitness content. His work has been featured on websites including the-sun.com, Well+Good, Bleacher Report, Muscle and Fitness, UpJourney, Business Insider, NewsBreak and more.