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

L. Chen
L. Chen
, 
E.A. Selimovic
E.A. Selimovic
, 
M. Daunis
M. Daunis
, 
T.A. Bayers T
T.A. Bayers T
, 
L.J. Vargas
L.J. Vargas
, 
I.T. O’Brien
I.T. O’Brien
, 
C.B. McEnroe
C.B. McEnroe
, 
A.E. Kozerski
A.E. Kozerski
, 
A.C. Vanhoover
A.C. Vanhoover
, 
W.D. Gray
W.D. Gray
 et 
J.F. Caruso
J.F. Caruso
   | 17 juin 2019
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Article Category: Research Note
Publié en ligne: 17 juin 2019
Pages: 22 - 32
DOI: https://doi.org/10.2478/gsr-2019-0004
Mots clés
© 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

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

Figure 2

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

Figure 3

Timeline of subject’s involvement (current study).
Timeline of subject’s involvement (current study).

Figure 4

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

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

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*

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

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

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
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