Executive Summary

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Normative Data Report
 2021

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College - American Football


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This report has been prepared for the purposes of collating, analysing and reporting on data collected using the VALD Performance systems.

Please note that this report is interactive. Select the different pages from the contents on the left-hand side. Additionally, please hover your cursor over the figures to obtain additional information. Where there are multiple groups displayed on the one figure, you may also isolate specific groups by clicking on the legend icons.

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In regard to the data, it is important to note that a number of assumptions were made when collating this report, including that the correct profile was selected for each test, the correct test type was selected and that athletes, clients and/or personnel were in a comparable physical state at the time of testing. For these reasons, this report should be used as a guide only.

We hope this document provides further insights into your athletes, clients and/or personnel and will assist you in continuing to improve the performance and health of your athletes, clients and/or personnel in the future.

Nordic

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  SYSTEM:
NordBord
  TEST:
Nordic
  POPULATION:
College - American Football



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Nordic Force

Nordic Imbalance

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Key Percentiles

Percentile Nordic Force (N) Nordic Imbalance (%)
1st 251 0.1
25th 394 3.1
50th 452 6.7
75th 510 11.7
99th 656 25.1

Hip Ad/Ab - 90

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  SYSTEM:
ForceFrame
  TEST:
Hip Adduction/Abduction - 60
  POPULATION:
College - American Football



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Adduction Force

Abduction Force

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Adduction Imbalance

Abduction Imbalance

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Adduction:Abduction Ratio

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Key Percentiles

Percentile Adduction Force (N) Abduction Force (N) Adduction Imbalance (%) Abduction Imbalance (%) Adduction:Abduction Ratio
1st 157 170 0.4 0.1 0.48
25th 267 328 3.4 1.5 0.74
50th 316 386 5.7 3.1 0.84
75th 380 463 8.5 5.1 0.93
99th 479 630 15.6 9.7 1.20

Shoulder ER/IR

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  SYSTEM:
ForceFrame
  TEST:
Shoulder External/Internal Rotation - Supine (90 Degrees AB)
  POPULATION:
College - American Football



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External Rotation Force

Internal Rotation Force

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External Rotation Imbalance

Internal Rotation Imbalance

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ER/IR Ratio

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Key Percentiles

Percentile External Rotation Force (N) Internal Rotation Force (N) External Rotation Imbalance (%) Internal Rotation Imbalance (%) ER/IR Ratio
1st 88 93 0 0 0.48
25th 134 192 4 3 0.62
50th 162 231 6 7 0.70
75th 189 275 10 10 0.80
99th 264 386 18 19 1.07

CMJ

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  SYSTEM:
ForceDecks
  TEST:
Countermovement Jump
  POPULATION:
College - American Football



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Concentric Peak Power - Relative

Eccentric Peak Power - Relative

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Jump Height

Modified RSI

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FT:CT Ratio

Eccentric Deceleration Impulse

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Eccentric Duration

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Key Percentiles

Percentile Concentric Peak Power - Relative (W/kg) Eccentric Peak Power - Relative (W/kg) Jump Height (cm) Modified RSI FT:CT Ratio Eccentric Peak Velocity (m/s) Eccentric Deceleration Impulse (N/s) Eccentric Duration (s)
1st 39 6 24 25.0 0.45 0 60.2 0.33
25th 53 16 38 48.6 0.70 0 115.5 0.47
50th 61 21 44 59.7 0.80 0 141.0 0.53
75th 66 27 51 71.9 0.92 0 167.7 0.62
99th 81 42 64 100.1 1.21 0 234.2 0.83

Drop Jump

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  SYSTEM:
ForceDecks
  TEST:
Drop Jump
  POPULATION:
College - American Football



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Reactive Strength Index

Contact Time

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Key Percentiles

Percentile Reactive Strength Index Contact Time (s)
1st 0.84 0.19
25th 1.45 0.34
50th 1.67 0.42
75th 2.02 0.50
99th 2.84 0.66

Hop Jump

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  SYSTEM:
ForceDecks
  TEST:
Hop Jump
  POPULATION:
College - American Football



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Reactive Strength Index

Contact Time

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Flight Time

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Key Percentiles

Percentile Reactive Strength Index Mean Contact Time (s) Mean Flight Time (s)
1st 0.57 0.13 0.18
25th 1.34 0.16 0.28
50th 1.71 0.18 0.35
75th 2.13 0.21 0.43
99th 3.30 0.28 0.63

Land and Hold

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  SYSTEM:
ForceDecks
  TEST:
Land and Hold
  POPULATION:
College - American Football



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Peak Drop Force

Time to Stabilisation

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Key Percentiles

Percentile Peak Drop Force (N) Time to Stabilisation (s)
1st 763 0.00
25th 2594 0.68
50th 3558 0.85
75th 4642 1.28
99th 7551 2.77

LCMJ

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  SYSTEM:
ForceDecks
  TEST:
Loaded Countermovement Jump
  POPULATION:
College - American Football



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Concentric Peak Power - Relative

Eccentric Peak Power - Relative

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Jump Height

Modified RSI

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FT:CT Ratio

Eccentric Deceleration Impulse

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Eccentric Duration

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Key Percentiles

Percentile Concentric Peak Power - Relative (W/kg) Eccentric Peak Power - Relative (W/kg) Jump Height (cm) Modified RSI FT:CT Ratio Eccentric Peak Velocity (m/s) Eccentric Deceleration Impulse (N/s) Eccentric Duration (s)
1st 37 13 21 19.1 0.39 0 109.8 0.43
25th 48 19 30 31.5 0.52 0 149.7 0.55
50th 53 22 34 36.9 0.58 0 179.3 0.60
75th 61 27 37 43.2 0.64 0 210.0 0.65
99th 69 36 46 55.3 0.77 0 270.8 0.78

Squat Jump

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  SYSTEM:
ForceDecks
  TEST:
Squat Jump
  POPULATION:
College - American Football



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Concentric RFD

Concentric Impulse

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Key Percentiles

Percentile Concentric RFD (N/s) Concentric Impulse (N s)
1st 1068 183
25th 3846 253
50th 5304 287
75th 7159 328
99th 12108 411

SLJ

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  SYSTEM:
ForceDecks
  TEST:
Single Leg Jump
  POPULATION:
College - American Football



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Concentric Peak Power - Relative

Eccentric Peak Power - Relative

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Jump Height

Modified RSI

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FT:CT Ratio

Eccentric Deceleration Impulse

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Eccentric Duration

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Key Percentiles

Percentile Concentric Peak Power - Relative (W/kg) Eccentric Peak Power - Relative (W/kg) Jump Height (cm) Modified RSI FT:CT Ratio Eccentric Peak Velocity (m/s) Eccentric Deceleration Impulse (N/s) Eccentric Duration (s)
1st 22 2 3 8.8 0.24 0 23.4 0.25
25th 33 7 17 20.1 0.40 0 66.1 0.51
50th 38 11 23 27.4 0.50 0 85.4 0.64
75th 43 14 27 34.8 0.61 0 105.2 0.77
99th 57 22 36 55.1 0.91 0 157.0 1.13