The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction. / Bieler, Theresa; Sobol, Nanna Aue; Andersen, Lars L; Kiel, Peter; Løfholm, Peter; Aagaard, Per; Magnusson, S Peter; Krogsgaard, Michael R; Beyer, Nina.

In: Journal of Biomedicine and Biotechnology, Vol. 2014, 278512, 2014, p. 1-11.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Bieler, T, Sobol, NA, Andersen, LL, Kiel, P, Løfholm, P, Aagaard, P, Magnusson, SP, Krogsgaard, MR & Beyer, N 2014, 'The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction', Journal of Biomedicine and Biotechnology, vol. 2014, 278512, pp. 1-11. https://doi.org/10.1155/2014/278512

APA

Bieler, T., Sobol, N. A., Andersen, L. L., Kiel, P., Løfholm, P., Aagaard, P., Magnusson, S. P., Krogsgaard, M. R., & Beyer, N. (2014). The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction. Journal of Biomedicine and Biotechnology, 2014, 1-11. [278512]. https://doi.org/10.1155/2014/278512

Vancouver

Bieler T, Sobol NA, Andersen LL, Kiel P, Løfholm P, Aagaard P et al. The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction. Journal of Biomedicine and Biotechnology. 2014;2014:1-11. 278512. https://doi.org/10.1155/2014/278512

Author

Bieler, Theresa ; Sobol, Nanna Aue ; Andersen, Lars L ; Kiel, Peter ; Løfholm, Peter ; Aagaard, Per ; Magnusson, S Peter ; Krogsgaard, Michael R ; Beyer, Nina. / The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction. In: Journal of Biomedicine and Biotechnology. 2014 ; Vol. 2014. pp. 1-11.

Bibtex

@article{c1dca79e5e524379a0fed23b10e49647,
title = "The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction",
abstract = "OBJECTIVE: Persistent weakness is a common problem after anterior cruciate ligament- (ACL-) reconstruction. This study investigated the effects of high-intensity (HRT) versus low-intensity (LRT) resistance training on leg extensor power and recovery of knee function after ACL-reconstruction.METHODS: 31 males and 19 females were randomized to HRT (n = 24) or LRT (n = 26) from week 8-20 after ACL-reconstruction. Leg extensor power, joint laxity, and self-reported knee function were measured before and 7, 14, and 20 weeks after surgery. Hop tests were assessed before and after 20 weeks.RESULTS: Power in the injured leg was 90% (95% CI 86-94%) of the noninjured leg, decreasing to 64% (95% CI 60-69%) 7 weeks after surgery. During the resistance training phase there was a significant group by time interaction for power (P = 0.020). Power was regained more with HRT compared to LRT at week 14 (84% versus 73% of noninjured leg, resp.; P = 0.027) and at week 20 (98% versus 83% of noninjured leg, resp.; P = 0.006) without adverse effects on joint laxity. No other between-group differences were found.CONCLUSION: High-intensity resistance training during rehabilitation after ACL-reconstruction can improve muscle power without adverse effects on joint laxity.",
keywords = "Adolescent, Adult, Anterior Cruciate Ligament Reconstruction, Exercise Therapy, Female, Follow-Up Studies, Humans, Knee Joint, Leg, Male, Middle Aged, Muscle Strength, Recovery of Function",
author = "Theresa Bieler and Sobol, {Nanna Aue} and Andersen, {Lars L} and Peter Kiel and Peter L{\o}fholm and Per Aagaard and Magnusson, {S Peter} and Krogsgaard, {Michael R} and Nina Beyer",
year = "2014",
doi = "10.1155/2014/278512",
language = "English",
volume = "2014",
pages = "1--11",
journal = "BioMed Research International",
issn = "2314-6133",
publisher = "Hindawi Publishing Corporation",

}

RIS

TY - JOUR

T1 - The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction

AU - Bieler, Theresa

AU - Sobol, Nanna Aue

AU - Andersen, Lars L

AU - Kiel, Peter

AU - Løfholm, Peter

AU - Aagaard, Per

AU - Magnusson, S Peter

AU - Krogsgaard, Michael R

AU - Beyer, Nina

PY - 2014

Y1 - 2014

N2 - OBJECTIVE: Persistent weakness is a common problem after anterior cruciate ligament- (ACL-) reconstruction. This study investigated the effects of high-intensity (HRT) versus low-intensity (LRT) resistance training on leg extensor power and recovery of knee function after ACL-reconstruction.METHODS: 31 males and 19 females were randomized to HRT (n = 24) or LRT (n = 26) from week 8-20 after ACL-reconstruction. Leg extensor power, joint laxity, and self-reported knee function were measured before and 7, 14, and 20 weeks after surgery. Hop tests were assessed before and after 20 weeks.RESULTS: Power in the injured leg was 90% (95% CI 86-94%) of the noninjured leg, decreasing to 64% (95% CI 60-69%) 7 weeks after surgery. During the resistance training phase there was a significant group by time interaction for power (P = 0.020). Power was regained more with HRT compared to LRT at week 14 (84% versus 73% of noninjured leg, resp.; P = 0.027) and at week 20 (98% versus 83% of noninjured leg, resp.; P = 0.006) without adverse effects on joint laxity. No other between-group differences were found.CONCLUSION: High-intensity resistance training during rehabilitation after ACL-reconstruction can improve muscle power without adverse effects on joint laxity.

AB - OBJECTIVE: Persistent weakness is a common problem after anterior cruciate ligament- (ACL-) reconstruction. This study investigated the effects of high-intensity (HRT) versus low-intensity (LRT) resistance training on leg extensor power and recovery of knee function after ACL-reconstruction.METHODS: 31 males and 19 females were randomized to HRT (n = 24) or LRT (n = 26) from week 8-20 after ACL-reconstruction. Leg extensor power, joint laxity, and self-reported knee function were measured before and 7, 14, and 20 weeks after surgery. Hop tests were assessed before and after 20 weeks.RESULTS: Power in the injured leg was 90% (95% CI 86-94%) of the noninjured leg, decreasing to 64% (95% CI 60-69%) 7 weeks after surgery. During the resistance training phase there was a significant group by time interaction for power (P = 0.020). Power was regained more with HRT compared to LRT at week 14 (84% versus 73% of noninjured leg, resp.; P = 0.027) and at week 20 (98% versus 83% of noninjured leg, resp.; P = 0.006) without adverse effects on joint laxity. No other between-group differences were found.CONCLUSION: High-intensity resistance training during rehabilitation after ACL-reconstruction can improve muscle power without adverse effects on joint laxity.

KW - Adolescent

KW - Adult

KW - Anterior Cruciate Ligament Reconstruction

KW - Exercise Therapy

KW - Female

KW - Follow-Up Studies

KW - Humans

KW - Knee Joint

KW - Leg

KW - Male

KW - Middle Aged

KW - Muscle Strength

KW - Recovery of Function

U2 - 10.1155/2014/278512

DO - 10.1155/2014/278512

M3 - Journal article

C2 - 24877078

VL - 2014

SP - 1

EP - 11

JO - BioMed Research International

JF - BioMed Research International

SN - 2314-6133

M1 - 278512

ER -

ID: 138316109