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

Chen, L.; Selimovic, E.A.; Daunis, M.; T, T.A. Bayers; Vargas, L.J.; O’Brien, I.T.; McEnroe, C.B.; Kozerski, A.E.; Vanhoover, A.C.; Gray, W.D.; Caruso, J.F.

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

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17 jun 2019

Gravitational and Space Research

Volumen 7 (2019): Edición 1 (Agosto 2019)

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Categoría del artículo: Research Note

Publicado en línea: 17 jun 2019

Páginas: 22 - 32

DOI: https://doi.org/10.2478/gsr-2019-0004

Palabras clave
Resistive exercise, countermeasures, Inertial Exercise Trainer

© 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 Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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

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

Timeline of subject’s involvement (current study).

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

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

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

Knee extensor TTPT (mean ± SEM in seconds) results_

Velocity (rad./second)	Left leg		Right leg
	Pre-intervention	Post-intervention	Pre-intervention	Post-intervention
0	2.06±0.20	2.35±0.24	2.03±0.25	2.04±0.33
1.62	0.37±0.02	0.39±0.03	0.37±0.04	0.33±0.02
4.86	0.19±0.02	0.18±0.02	0.18±0.02	0.19±0.02

Ankle extensor PT (mean ± SEM in Nm) results_

Velocity (rad./second)	Left leg		Right leg
	Pre-intervention	Post-intervention	Pre-intervention	Post-intervention
0	110.5±7.9	133.7±7.5⁺	120.6±9.0	129.3±9.4
1.62	63.0±5.0	75.0±4.4⁺	67.6±5.0	71.3±5.1
4.86	45.8±3.0	53.9±3.1⁺	47.3±3.2	50.4±2.7

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

Velocity (rad./second)	Left leg		Right leg
	Pre-intervention	Post-intervention	Pre-intervention	Post-intervention
0	49.3±7.3	79.5±24.7*	57.3±8.8	63.4±8.1*
1.62	325.1±31.0	373.0±29.4*	335.4±33.8	348.7±25.5*
4.86	276.1±35.9	365.0±60.7*	277.5±29.7	357.5±58.6*

Ankle extensor TTPT (mean ± SEM in seconds) results_

Velocity (rad./second)	Left leg		Right leg
	Pre-intervention	Post-intervention	Pre-intervention	Post-intervention
0	2.34±0.22	2.82±0.38	2.93±0.47	2.49±0.30
1.62	0.21±0.01	0.21±0.01	0.25±0.04	0.21±0.01
4.86	0.20±0.04	0.19±0.03	0.18±0.02	0.17±0.03

Knee extensor PT (mean ± SEM in Nm) results_

Velocity (rad./second)	Left leg		Right leg
	Pre-intervention	Post-intervention	Pre-intervention	Post-intervention
0	183.1±18.3	203.3±17.3⁺	185.5±23.3	192.3±24.8
1.62	144.6±13.2	143.2±10.9	146.6±15.5	146.9±16.8
4.86	100.2±8.8	102.6±9.0	99.1±9.9	104.7±11.4

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

Velocity (rad . sec^-1)	Left Leg		Right Leg
	Pre-intervention	Post-intervention	Pre-intervention	Post-intervention
0	99.3±12.0	84.6±11.3	109.1±17.1	109.1±19.5
1.62	407.5±37.3	343.9±41.4	446.4±56.8	400.9±52.7
4.86	608.5±69.1	538.9±58.9	664.0±96.1	581.5±114.2

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

Categoría del artículo: Research Note

Publicado en línea: 17 jun 2019

Páginas: 22 - 32

DOI: https://doi.org/10.2478/gsr-2019-0004

Palabras clave
Resistive exercise, countermeasures, Inertial Exercise Trainer

© 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 Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figures 6

Knee extensor TTPT (mean ± SEM in seconds) results_

Ankle extensor PT (mean ± SEM in Nm) results_

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

Ankle extensor TTPT (mean ± SEM in seconds) results_

Knee extensor PT (mean ± SEM in Nm) results_

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

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

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

Categoría del artículo: Research Note

Publicado en línea: 17 jun 2019

Páginas: 22 - 32

DOI: https://doi.org/10.2478/gsr-2019-0004

Palabras claveResistive exercise, countermeasures, Inertial Exercise Trainer

© 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 Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figures 6

Knee extensor TTPT (mean ± SEM in seconds) results_

Ankle extensor PT (mean ± SEM in Nm) results_

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

Ankle extensor TTPT (mean ± SEM in seconds) results_

Knee extensor PT (mean ± SEM in Nm) results_

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

Palabras clave
Resistive exercise, countermeasures, Inertial Exercise Trainer