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Musculoskeletal Outcomes from Chronic High-Speed High-Impact Resistive Exercise Cover

Musculoskeletal Outcomes from Chronic High-Speed High-Impact Resistive Exercise

Open Access
|Jun 2019

Figures & Tables

Figure 1

Overhead illustration of the IET. IET, Inertial Exercise Trainer.

Figure 2

Side view illustration of the IET.IET, Inertial Exercise Trainer.

Figure 3

Timeline of subject’s involvement (current study).

Figure 4

(a, b) Knee extension exercise performed on the IET (current study). IET, Inertial Exercise Trainer.

Figure 5

(a, b) Hip extension exercise performed on the IET (current study). IET, Inertial Exercise Trainer.

Figures 6

(a, b) Seated calf press exercise performed on the IET (current study). IET, Inertial Exercise Trainer.

Table 1

Knee extensor PT (mean ± SEM in Nm) results.

Velocity
(rad./second)
Left legRight leg
Pre-interventionPost-interventionPre-interventionPost-intervention
0183.1±18.3203.3±17.3+185.5±23.3192.3±24.8
1.62144.6±13.2143.2±10.9146.6±15.5146.9±16.8
4.86100.2±8.8102.6±9.099.1±9.9104.7±11.4

[i] +Source of a two-way (leg×time) interaction; greater (p<0.05) than the other treatment means for that velocity. PT, peak torque; SEM, standard error of the mean.

Table 2

Ankle extensor PT (mean ± SEM in Nm) results.

Velocity
(rad./second)
Left legRight leg
Pre-interventionPost-interventionPre-interventionPost-intervention
0110.5±7.9133.7±7.5+120.6±9.0129.3±9.4
1.6263.0±5.075.0±4.4+67.6±5.071.3±5.1
4.8645.8±3.053.9±3.1+47.3±3.250.4±2.7

[i] +Source of a two-way (leg× time) interaction; greater (p<0.05) than the other treatment means for that velocity. PT, peak torque; SEM, standard error of the mean.

Table 3

Knee extensor TTPT (mean ± SEM in seconds) results.

Velocity
(rad./second)
Left legRight leg
Pre-interventionPost-interventionPre-interventionPost-intervention
02.06±0.202.35±0.242.03±0.252.04±0.33
1.620.37±0.020.39±0.030.37±0.040.33±0.02
4.860.19±0.020.18±0.020.18±0.020.19±0.02

[i] SEM, standard error of the mean; TTPT, time to peak torque.

Table 4

Ankle extensor TTPT (mean ± SEM in seconds) results.

Velocity
(rad./second)
Left legRight leg
Pre-interventionPost-interventionPre-interventionPost-intervention
02.34±0.222.82±0.382.93±0.472.49±0.30
1.620.21±0.010.21±0.010.25±0.040.21±0.01
4.860.20±0.040.19±0.030.18±0.020.17±0.03

[i] SEM, standard error of the mean; TTPT, time to peak torque.

Table 5

Knee extensor RTD (mean ± SEM in Nm/second) results.

Velocity
(rad . sec-1)
Left LegRight Leg
Pre-interventionPost-interventionPre-interventionPost-intervention
099.3±12.084.6±11.3109.1±17.1109.1±19.5
1.62407.5±37.3343.9±41.4446.4±56.8400.9±52.7
4.86608.5±69.1538.9±58.9664.0±96.1581.5±114.2

[i] RTD, rate of torque development; SEM, standard error of the mean.

Table 6

Ankle extensor RTD (mean ± SEM in Nm/second) results.

Velocity
(rad./second)
Left legRight leg
Pre-interventionPost-interventionPre-interventionPost-intervention
049.3±7.379.5±24.7*57.3±8.863.4±8.1*
1.62325.1±31.0373.0±29.4*335.4±33.8348.7±25.5*
4.86276.1±35.9365.0±60.7*277.5±29.7357.5±58.6*

[i] *Post-intervention > Pre-intervention

RTD, rate of torque development; SEM, standard error of the mean.

Language: English
Page range: 22 - 32
Published on: Jun 17, 2019
Published by: American Society for Gravitational and Space Research
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2019 L. Chen, E.A. Selimovic, M. Daunis, T.A. Bayers T, L.J. Vargas, I.T. O’Brien, C.B. McEnroe, A.E. Kozerski, A.C. Vanhoover, W.D. Gray, J.F. Caruso, published by American Society for Gravitational and Space Research
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.