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.
Machine Back Extension Standards by Bodyweight
Estimates from the FitnessVolt standards model. Updated March 28, 2026. Find the row closest to your bodyweight. Beginner is a first target for a new lifter, Novice a few months in, Intermediate about one to two years of structured training, Advanced several years, Elite the top of the table.
| 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 |
| 90 | 17 | 38 | 69 | 108 | 153 |
| 100 | 20 | 42 | 73 | 114 | 160 |
| 110 | 22 | 45 | 78 | 119 | 167 |
| 120 | 24 | 48 | 82 | 124 | 173 |
| 130 | 27 | 51 | 86 | 129 | 178 |
| 140 | 29 | 54 | 89 | 133 | 184 |
| 150 | 31 | 57 | 93 | 138 | 189 |
| 160 | 32 | 59 | 96 | 142 | 193 |
| 170 | 34 | 62 | 99 | 146 | 198 |
| 180 | 36 | 64 | 102 | 149 | 202 |
| 190 | 38 | 67 | 105 | 153 | 206 |
| 200 | 40 | 69 | 108 | 156 | 210 |
| 210 | 41 | 71 | 111 | 159 | 214 |
| 220 | 43 | 73 | 113 | 162 | 218 |
| 230 | 44 | 75 | 116 | 165 | 221 |
| 240 | 46 | 77 | 118 | 168 | 224 |
| 250 | 47 | 79 | 121 | 171 | 228 |
| 260 | 49 | 81 | 123 | 174 | 231 |
The Machine Back Extension standard at each level as bodyweight rises, for the sex selected above. Exact numbers in the table above.
Machine Back Extension Standards by Age
How the Machine Back Extension standards change with age, as a 1RM in lb. This table is not tied to one bodyweight, so read it for the trend and use the bodyweight table above for your own number.
| 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 |
| 15 | 24 | 46 | 76 | 115 | 159 |
| 20 | 27 | 52 | 87 | 131 | 182 |
| 25 | 28 | 54 | 90 | 135 | 187 |
| 30 | 28 | 54 | 90 | 135 | 187 |
| 35 | 28 | 54 | 90 | 135 | 187 |
| 40 | 28 | 54 | 90 | 135 | 187 |
| 45 | 26 | 51 | 85 | 128 | 177 |
| 50 | 25 | 48 | 80 | 120 | 166 |
| 55 | 23 | 44 | 74 | 111 | 154 |
| 60 | 21 | 40 | 67 | 101 | 140 |
| 65 | 19 | 36 | 61 | 92 | 127 |
| 70 | 17 | 33 | 55 | 82 | 114 |
| 75 | 15 | 29 | 49 | 74 | 102 |
| 80 | 14 | 26 | 44 | 66 | 91 |
| 85 | 12 | 23 | 39 | 59 | 82 |
| 90 | 11 | 21 | 35 | 53 | 74 |
The Machine Back Extension standard at each level as age rises, for the sex selected above. Exact numbers in the table above.
Check Your Machine Back Extension Level
Over 40? Add your age and the calculator also shows an age-adjusted level and an age-30 equivalent, using the McCulloch age factor to scale your lift to peak age. Every age band is in the standards by age table above.
What the Machine Back Extension Strength Levels Mean
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.
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.
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.
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.
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.
- 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.
- 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.
- 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.
- 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.
How to Perform Machine Back Extension
- Adjust the machine's pad height so it's at the level of your hips.
- Sit on the machine with your back against the pad and feet flat on the footrests.
- Secure the pad against your thighs or lower back, depending on the machine type.
- Cross your arms over your chest or grip the handles, keeping your back straight.
- Inhale and slowly extend your back, pushing against the resistance to straighten your spine.
- Pause briefly at the top of the movement, ensuring your back remains in a neutral position.
- Exhale and slowly return to the starting position, maintaining control and avoiding hyperextension.
- Repeat for the desired number of repetitions.
Tips
- 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?
The levels on this page are estimates from the FitnessVolt strength standards model. The Machine Back Extension table is an editorial FitnessVolt table, not a measured population. There is no competition or gym dataset for the Machine Back Extension itself. Reader-submitted benchmarks appear only after enough entries are logged for this lift.
Standards data last refreshed: March 28, 2026
- Level tables: the FitnessVolt strength standards model, not meet data.
- Method: Strength standards methodology - how the level tables are built and where each data source on the site comes from.
Fitness Volt strength standards model, 2026. Beginner to Elite levels are model values, not competition percentiles. https://fitnessvolt.com/strength-standards/methodology/

