Power generation to the velocity of shortening in muscle contraction

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Assessing Body Composition


Bench Press Power Test


Data of the Bench Press Test


 lb. % 1RM lb. % 1RM lb. % 1RM lb. % 1RM lb. % 1RM lb. % 1RM lb. % 1RM lb. % 1RM lb. % 1RM

45 19% 65 27% 85 35% 105 44% 125 52% 145 60% 165 69% 185 77% 205 85%

Ave Peak Ave Peak Ave Peak Ave Peak Ave Peak Ave Peak Ave Peak Ave Peak Ave Peak
1st Rep 0.99 1.67 0.96 1.65 0.84 1.46 0.69 1.16 0.51 0.81 0.38 0.58 0.25 0.36 0.2 0.3 0.22 0.27
2nd Rep 1.05 1.75 0.99 1.67 0.83 1.4 0.71 1.22 0.5 0.82 0.36 0.56 0.25 0.34 0.2 0.27 0.14 0.24
3rd Rep 1.07 1.88 0.95 1.67 0.86 1.46 0.73 1.18 0.56 0.9 0.39 0.62





4th Rep 1.02 1.83



0.69 1.11









Ave. Speed 1.03 1.78 0.97 1.66 0.84 1.44 0.71 1.17 0.52 0.84 0.38 0.59 0.25 0.35 0.20 0.29 0.18 0.26
1st Rep 387.1 647 505 798 487 810 447 738 332 571 287 472 227 355 215 344 208 261
2nd Rep 398 733 495 772 475 791 453 778 331 582 277 462 230 333 171 234 135 229
3rd Rep 460 789 491 796 501 785 459 723 378 646 297 507





4th Rep 444 749



439 693









Ave. Power 422 730 497 789 488 795 450 733 347 600 287 480 229 344 193 289 172 245

PUSHBAND and BarSensei bar speed comparison


Data of PUSHBAND and BarSensei bar speed comparison

lb. lb. % 1RM % 1RM lb. lb. % 1RM % 1RM
85 85 35% 35% 105 105 44% 44%
Ave Ave Peak Peak Ave Ave Peak Peak
PUSHBAND Barsensei PUSHBAND Barsensei PUSHBAND Barsensei PUSHBAND Barsensei
0.84 0.72 1.46 1.36 0.69 0.67 1.16 1.23
0.83 0.68 1.4 1.45 0.71 0.63 1.22 1.22
0.86 0.79 1.46 1.47 0.73 0.63 1.18 1.17



1st set 2nd set 3rd set Fatigue Test 

Ave Vel (m/s) Peak Vel (m/s) Ave Vel (%) Peak Vel (%) Ave Vel (m/s) Peak Vel (m/s) Ave Vel (%) Peak Vel (%) Ave Vel (m/s) Peak Vel (m/s) Ave Vel (%) Peak Vel (%) Ave Vel (m/s) Peak Vel (m/s) Ave Vel (%) Peak Vel (%)
1 0.6 1.01 100.0% 100.0% 0.6 1.01 100.0% 100.0% 0.65 1.07 108.3% 105.9% 0.63 1.06 105.0% 105.0%
2 0.59 0.96 98.3% 95.0% 0.58 0.96 96.7% 95.0% 0.6 1.01 100.0% 100.0% 0.64 1.05 106.7% 104.0%
3 0.7 1.12 116.7% 110.9% 0.6 0.98 100.0% 97.0% 0.56 1.03 93.3% 102.0% 0.62 1.01 103.3% 100.0%
4 0.57 0.94 95.0% 93.1% 0.62 0.98 103.3% 97.0% 0.57 1.02 95.0% 101.0% 0.49 0.94 81.7% 93.1%
5 0.58 0.95 96.7% 94.1% 0.59 0.94 98.3% 93.1% 0.5 0.91 83.3% 90.1% 0.53 0.97 88.3% 96.0%
6 0.58 0.93 96.7% 92.1% 0.59 0.95 98.3% 94.1% 0.51 0.8 85.0% 79.2% 0.57 0.93 95.0% 92.1%
7











0.46 0.87 76.7% 86.1%
8











0.4 0.65 66.7% 64.4%
9











0.51 0.87 85.0% 86.1%
10











0.3 0.55 50.0% 54.5%
11











0.34 0.61 56.7% 60.4%
12











0.34 0.57 56.7% 56.4%
13











0.33 0.45 55.0% 44.6%
14











0.32 0.47 53.3% 46.5%
15











0.23 0.33 38.3% 32.7%

1st set 2nd set 3rd set Fatigue Test 
Repetitions Ave Power (w) Peak Power (w) Ave Power (%) Peak Power (%) Ave Power (w) Peak Power (w) Ave Power (%) Peak Power (%) Ave Power (w) Peak Power (w) Ave Power (%) Peak Power (%) Ave Power (w) Peak Power (w) Ave Power (%) Peak Power (%)
1 417 739 100.0% 100.0% 433 752 103.8% 101.8% 456 784 109.4% 106.1% 440 778 105.5% 105.3%
2 419 716 100.5% 96.9% 424 704 101.7% 95.3% 430 737 103.1% 99.7% 446 767 107.0% 103.8%
3 438 807 105.0% 109.2% 416 712 99.8% 96.3% 392 747 94.0% 101.1% 432 740 103.6% 100.1%
4 390 691 93.5% 93.5% 431 711 103.4% 96.2% 398 736 95.4% 99.6% 341 685 81.8% 92.7%
5 404 695 96.9% 94.0% 411 675 98.6% 91.3% 357 652 85.6% 88.2% 368 711 88.2% 96.2%
6 410 681 98.3% 92.2% 412 681 98.8% 92.2% 337 562 80.8% 76.0% 394 668 94.5% 90.4%
7











306 622 73.4% 84.2%
8











274 470 65.7% 63.6%
9











338 614 81.1% 83.1%
10











203 395 48.7% 53.5%
11











245 431 58.8% 58.3%
12











225 396 54.0% 53.6%
13











220 315 52.8% 42.6%
14











216 340 51.8% 46.0%
15











133 192 31.9% 26.0%