The average Machine Back Extension is 232 lb for men and 156 lb for women (1RM). Compare your one-rep max lift by bodyweight and age below.
The average Machine Back Extension is 232 lb for men and 156 lb for women (1RM). Compare your one-rep max lift by bodyweight and age below.
| Strength Level | Weight |
|---|---|
| Beginner | 90 lb |
| Novice | 151 lb |
| Intermediate | 232 lb |
| Advanced | 330 lb |
| Elite | 440 lb |
| Strength Level | Bodyweight Ratio |
|---|---|
| Beginner | 0.50x |
| Novice | 1.00x |
| Intermediate | 1.25x |
| Advanced | 2.00x |
| Elite | 2.50x |
What is the average Machine Back Extension? The average Machine Back Extension weight for a male lifter is 232 lb (1RM). This makes you Intermediate on Strength Level and is a very impressive lift.
What is a good Machine Back Extension? Male beginners should aim to lift 90 lb (1RM) which is still impressive compared to the general population.
| BW | Beg. | Nov. | Int. | Adv. | Elite |
|---|---|---|---|---|---|
| 110 | 57 | 104 | 169 | 250 | 341 |
| 120 | 64 | 113 | 181 | 264 | 358 |
| 130 | 70 | 122 | 192 | 277 | 373 |
| 140 | 77 | 131 | 202 | 290 | 388 |
| 150 | 83 | 139 | 212 | 302 | 401 |
| 160 | 89 | 146 | 222 | 313 | 414 |
| 170 | 95 | 154 | 231 | 324 | 427 |
| 180 | 100 | 161 | 240 | 334 | 439 |
| 190 | 106 | 168 | 248 | 344 | 450 |
| 200 | 111 | 175 | 256 | 354 | 461 |
| 210 | 117 | 181 | 264 | 363 | 472 |
| 220 | 122 | 188 | 272 | 372 | 482 |
| 230 | 127 | 194 | 279 | 381 | 492 |
| 240 | 132 | 200 | 287 | 389 | 502 |
| 250 | 136 | 206 | 294 | 397 | 511 |
| 260 | 141 | 211 | 300 | 405 | 520 |
| 270 | 145 | 217 | 307 | 413 | 528 |
| 280 | 150 | 222 | 314 | 420 | 537 |
| 290 | 154 | 228 | 320 | 428 | 545 |
| 300 | 159 | 233 | 326 | 435 | 553 |
| 310 | 163 | 238 | 332 | 442 | 561 |
| Age | Beg. | Nov. | Int. | Adv. | Elite |
|---|---|---|---|---|---|
| 15 | 77 | 129 | 198 | 281 | 375 |
| 20 | 88 | 148 | 226 | 322 | 428 |
| 25 | 90 | 151 | 232 | 330 | 440 |
| 30 | 90 | 151 | 232 | 330 | 440 |
| 35 | 90 | 151 | 232 | 330 | 440 |
| 40 | 90 | 151 | 232 | 330 | 440 |
| 45 | 86 | 143 | 220 | 313 | 416 |
| 50 | 80 | 134 | 206 | 292 | 389 |
| 55 | 74 | 124 | 190 | 270 | 359 |
| 60 | 67 | 113 | 173 | 246 | 328 |
| 65 | 61 | 102 | 157 | 223 | 297 |
| 70 | 55 | 92 | 141 | 201 | 267 |
| 75 | 49 | 83 | 127 | 180 | 240 |
| 80 | 44 | 74 | 113 | 161 | 215 |
| 85 | 40 | 66 | 102 | 144 | 192 |
| 90 | 35 | 59 | 91 | 130 | 172 |
These are the most popular Machine Back Extension workouts done by male lifters:
| Rank | Sets | Reps | Percent | Workouts |
|---|---|---|---|---|
| 1 | 3 | 10 | 17% | 152 |
| 2 | 3 | 12 | 13% | 117 |
| 3 | 3 | 15 | 9% | 83 |
| 4 | 3 | 8 | 9% | 81 |
| 5 | 4 | 12 | 8% | 69 |
| 6 | 6 | 12 | 5% | 48 |
| 6 | 4 | 10 | 5% | 48 |
| 8 | 3 | 20 | 3% | 29 |
| 9 | 5 | 10 | 3% | 26 |
| 10 | 2 | 10 | 2% | 22 |
| Strength Level | Weight |
|---|---|
| Beginner | 61 lb |
| Novice | 102 lb |
| Intermediate | 156 lb |
| Advanced | 222 lb |
| Elite | 295 lb |
| Strength Level | Bodyweight Ratio |
|---|---|
| Beginner | 0.50x |
| Novice | 0.75x |
| Intermediate | 1.00x |
| Advanced | 1.50x |
| Elite | 2.00x |
What is the average Machine Back Extension? The average Machine Back Extension weight for a female lifter is 156 lb (1RM). This makes you Intermediate on Strength Level and is a very impressive lift.
What is a good Machine Back Extension? Female beginners should aim to lift 61 lb (1RM) which is still impressive compared to the general population.
| BW | Beg. | Nov. | Int. | Adv. | Elite |
|---|---|---|---|---|---|
| 90 | 42 | 76 | 123 | 180 | 244 |
| 100 | 46 | 81 | 129 | 187 | 253 |
| 110 | 50 | 86 | 135 | 194 | 261 |
| 120 | 53 | 91 | 140 | 201 | 269 |
| 130 | 56 | 95 | 146 | 207 | 276 |
| 140 | 59 | 99 | 150 | 213 | 283 |
| 150 | 62 | 102 | 155 | 218 | 289 |
| 160 | 65 | 106 | 159 | 224 | 295 |
| 170 | 68 | 109 | 164 | 229 | 301 |
| 180 | 70 | 113 | 167 | 233 | 306 |
| 190 | 73 | 116 | 171 | 238 | 311 |
| 200 | 75 | 119 | 175 | 242 | 316 |
| 210 | 77 | 122 | 178 | 246 | 321 |
| 220 | 80 | 124 | 182 | 250 | 325 |
| 230 | 82 | 127 | 185 | 254 | 330 |
| 240 | 84 | 130 | 188 | 258 | 334 |
| 250 | 86 | 132 | 191 | 261 | 338 |
| 260 | 88 | 135 | 194 | 265 | 342 |
| Age | Beg. | Nov. | Int. | Adv. | Elite |
|---|---|---|---|---|---|
| 15 | 52 | 87 | 133 | 189 | 251 |
| 20 | 60 | 99 | 152 | 216 | 287 |
| 25 | 61 | 102 | 156 | 222 | 295 |
| 30 | 61 | 102 | 156 | 222 | 295 |
| 35 | 61 | 102 | 156 | 222 | 295 |
| 40 | 61 | 102 | 156 | 222 | 295 |
| 45 | 58 | 97 | 148 | 210 | 279 |
| 50 | 54 | 90 | 138 | 196 | 261 |
| 55 | 50 | 83 | 128 | 181 | 241 |
| 60 | 46 | 76 | 117 | 165 | 220 |
| 65 | 41 | 69 | 106 | 150 | 199 |
| 70 | 37 | 62 | 95 | 135 | 179 |
| 75 | 33 | 56 | 85 | 121 | 161 |
| 80 | 30 | 50 | 76 | 108 | 144 |
| 85 | 27 | 45 | 68 | 97 | 129 |
| 90 | 24 | 40 | 61 | 87 | 116 |
These are the most popular Machine Back Extension workouts done by female lifters:
| Rank | Sets | Reps | Percent | Workouts |
|---|---|---|---|---|
| 1 | 3 | 10 | 29% | 77 |
| 2 | 3 | 12 | 12% | 33 |
| 3 | 4 | 10 | 10% | 28 |
| 4 | 2 | 30 | 6% | 15 |
| 5 | 2 | 10 | 5% | 13 |
| 6 | 4 | 11 | 4% | 12 |
| 7 | 3 | 15 | 4% | 11 |
| 7 | 4 | 8 | 4% | 11 |
| 9 | 3 | 8 | 3% | 8 |
| 9 | 2 | 20 | 3% | 8 |
The Strength Level Calculator can show your exact level of strength at any bodyweight.
| Beginner | Stronger than 5% of lifters. A beginner lifter can perform the movement correctly and has practiced it for at least a month. |
|---|---|
| Novice | Stronger than 20% of lifters. A novice lifter has trained regularly in the technique for at least six months. |
| Intermediate | Stronger than 50% of lifters. An intermediate lifter has trained regularly in the technique for at least two years. |
| Advanced | Stronger than 80% of lifters. An advanced lifter has progressed for over five years. |
| Elite | Stronger than 95% of lifters. An elite lifter has dedicated over five years to become competitive at strength sports. |
Strength Level introduced these exact Beginner-to-Elite percentile boundaries in 2015. See how the standards evolved.
Strength Level analysed 8,575 qualifying results from 116,019 community lifts to produce our Machine Back Extension strength standards. We will continue to update them as more community data becomes available. See our standards timeline.
| Community lifts | 116,019 |
|---|---|
| Qualifying results | 8,575 |
| Male results | 6,389 |
| Female results | 2,186 |
| Data start | |
| Data cutoff |
Qualifying results are retained after checks for implausible data, duplicates, and unusual or automated submission patterns. Learn more about qualifying results.
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