Effects of Progressive Resistance Exercises Among Athletes With Hamstring Deficit After ACL Reconstruction

NCT ID: NCT06846164

Last Updated: 2025-02-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-24

Study Completion Date

2025-02-25

Brief Summary

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The goal of the study is to find out how mild home exercises (similar to usual care) and progressive strength training, which include neuromuscular exercise, affected knee joint function and HS muscle strength in individuals who has persistent HS muscle strength deficits 12-24 months after ACLR.

Detailed Description

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The objective of the present study is to investigate whether individuals, who perform supervised progressive strength training including elements of neuromuscular exercise intervention (SNG) will achieve greater improvements in leg muscle power and greater improvements in knee function compared with individuals performing a homebased low-intensity weight-bearing exercise protocol. We hypothesize that supervised progressive strength training would be superior to a homebased low-intensity weight-bearing exercise protocol for regaining muscle strength and knee function. This study will impact society by promoting health, reducing healthcare costs, supporting productivity, and contributing to a more active and engaged community. Limited investigation exists regarding the durability of progressive resistance exercises in mitigating hamstring deficits post-ACL reconstruction and the personalized optimization of exercise protocols for individual athletes. Further exploration is needed for sustained benefits and tailored rehabilitation strategies.

Conditions

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Sports Physical Therapy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Supervised progressive strength training with elements like (SNG)

Participants will be randomized to SNG and perform training sessions (60-70 minutes) twice weekly, over 12 weeks, commencing 8 exercises for the lower extremities in 3 sets of 10 repetitions with an intensity of 12 repetitions maximum. Individual progression, quality of exercise, number of sets, repetitions, and additional training weights will be monitored and adjusted throughout the intervention period by experienced physiotherapists

Group Type EXPERIMENTAL

Supervised progressive strength training including elements of neuromuscular exercise intervention (SNG)

Intervention Type OTHER

Participants will be randomized to SNG and will perform training sessions (60-70 minutes) twice weekly, over a duration of 12 weeks, commencing 8 exercises for the lower extremities in 3 sets of 10 repetitions with an intensity of 12 repetitions maximum. Individual progression, quality of exercise, number of sets, repetitions, and additional training weights will be monitored

home based low-intensity weight-bearing exercise protocol

Participants allocated to CON will receive written and verbal instructions regarding 4 home-based (low-intensity), weight-bearing exercises for the lower extremities, to be performed twice weekly. This intervention is designed to resemble usual care in cases where persistent knee muscle strength deficits would be discovered and considered a clinical issue.

Group Type EXPERIMENTAL

home based low-intensity weight-bearing exercise protocol.

Intervention Type OTHER

Participants allocated to CON will receive written and verbal instructions regarding 4 home-based (low intensity), weight-bearing exercises for the lower extremities, to be performed twice weekly. This intervention is designed to resemble usual care in cases where persistent knee muscle strength deficits would be discovered and considered a clinical issue.

Interventions

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Supervised progressive strength training including elements of neuromuscular exercise intervention (SNG)

Participants will be randomized to SNG and will perform training sessions (60-70 minutes) twice weekly, over a duration of 12 weeks, commencing 8 exercises for the lower extremities in 3 sets of 10 repetitions with an intensity of 12 repetitions maximum. Individual progression, quality of exercise, number of sets, repetitions, and additional training weights will be monitored

Intervention Type OTHER

home based low-intensity weight-bearing exercise protocol.

Participants allocated to CON will receive written and verbal instructions regarding 4 home-based (low intensity), weight-bearing exercises for the lower extremities, to be performed twice weekly. This intervention is designed to resemble usual care in cases where persistent knee muscle strength deficits would be discovered and considered a clinical issue.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Age between 18 - 30 years
* 12-24 months post-surgery (ACL reconstruction)
* Persistent maximal isometric knee flexor strength asymmetry (\>10% leg-to-leg the difference, in the isometric testing angle of 90° knee flexion)

Exclusion Criteria

* Body mass index \[BMI\] more than 35
* known lower limb pathology (including previous and/or concomitant knee injuries requiring surgical intervention to either knee)
Minimum Eligible Age

18 Years

Maximum Eligible Age

30 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Riphah International University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Hafiz Attiq ur Rehman

Role: PRINCIPAL_INVESTIGATOR

Riphah International University

Locations

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Innovative Health Concept

Lahore, , Pakistan

Site Status

Countries

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Pakistan

References

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Chechik O, Amar E, Khashan M, Lador R, Eyal G, Gold A. An international survey on anterior cruciate ligament reconstruction practices. Int Orthop. 2013 Feb;37(2):201-6. doi: 10.1007/s00264-012-1611-9. Epub 2012 Jul 11.

Reference Type BACKGROUND
PMID: 22782378 (View on PubMed)

Mall NA, Chalmers PN, Moric M, Tanaka MJ, Cole BJ, Bach BR Jr, Paletta GA Jr. Incidence and trends of anterior cruciate ligament reconstruction in the United States. Am J Sports Med. 2014 Oct;42(10):2363-70. doi: 10.1177/0363546514542796. Epub 2014 Aug 1.

Reference Type BACKGROUND
PMID: 25086064 (View on PubMed)

Shaerf DA, Pastides PS, Sarraf KM, Willis-Owen CA. Anterior cruciate ligament reconstruction best practice: A review of graft choice. World J Orthop. 2014 Jan 18;5(1):23-9. doi: 10.5312/wjo.v5.i1.23. eCollection 2014 Jan 18.

Reference Type BACKGROUND
PMID: 24649411 (View on PubMed)

Ardern CL, Webster KE, Taylor NF, Feller JA. Return to the preinjury level of competitive sport after anterior cruciate ligament reconstruction surgery: two-thirds of patients have not returned by 12 months after surgery. Am J Sports Med. 2011 Mar;39(3):538-43. doi: 10.1177/0363546510384798. Epub 2010 Nov 23.

Reference Type BACKGROUND
PMID: 21098818 (View on PubMed)

Filbay SR, Grindem H. Evidence-based recommendations for the management of anterior cruciate ligament (ACL) rupture. Best Pract Res Clin Rheumatol. 2019 Feb;33(1):33-47. doi: 10.1016/j.berh.2019.01.018. Epub 2019 Feb 21.

Reference Type BACKGROUND
PMID: 31431274 (View on PubMed)

Gobbi A, Francisco R. Factors affecting return to sports after anterior cruciate ligament reconstruction with patellar tendon and hamstring graft: a prospective clinical investigation. Knee Surg Sports Traumatol Arthrosc. 2006 Oct;14(10):1021-8. doi: 10.1007/s00167-006-0050-9. Epub 2006 Feb 22.

Reference Type BACKGROUND
PMID: 16496124 (View on PubMed)

Bram JT, Magee LC, Mehta NN, Patel NM, Ganley TJ. Anterior Cruciate Ligament Injury Incidence in Adolescent Athletes: A Systematic Review and Meta-analysis. Am J Sports Med. 2021 Jun;49(7):1962-1972. doi: 10.1177/0363546520959619. Epub 2020 Oct 22.

Reference Type BACKGROUND
PMID: 33090889 (View on PubMed)

Bencke J, Aagaard P, Zebis MK. Muscle Activation During ACL Injury Risk Movements in Young Female Athletes: A Narrative Review. Front Physiol. 2018 May 15;9:445. doi: 10.3389/fphys.2018.00445. eCollection 2018.

Reference Type BACKGROUND
PMID: 29867521 (View on PubMed)

More RC, Karras BT, Neiman R, Fritschy D, Woo SL, Daniel DM. Hamstrings--an anterior cruciate ligament protagonist. An in vitro study. Am J Sports Med. 1993 Mar-Apr;21(2):231-7. doi: 10.1177/036354659302100212.

Reference Type BACKGROUND
PMID: 8465918 (View on PubMed)

Zebis MK, Andersen LL, Bencke J, Kjaer M, Aagaard P. Identification of athletes at future risk of anterior cruciate ligament ruptures by neuromuscular screening. Am J Sports Med. 2009 Oct;37(10):1967-73. doi: 10.1177/0363546509335000. Epub 2009 Jul 2.

Reference Type BACKGROUND
PMID: 19574475 (View on PubMed)

Bieler T, Sobol NA, Andersen LL, Kiel P, Lofholm P, Aagaard P, Magnusson SP, Krogsgaard MR, Beyer N. The effects of high-intensity versus low-intensity resistance training on leg extensor power and recovery of knee function after ACL-reconstruction. Biomed Res Int. 2014;2014:278512. doi: 10.1155/2014/278512. Epub 2014 Apr 27.

Reference Type BACKGROUND
PMID: 24877078 (View on PubMed)

Hanada M, Yoshikura T, Matsuyama Y. Muscle recovery at 1 year after the anterior cruciate ligament reconstruction surgery is associated with preoperative and early postoperative muscular strength of the knee extension. Eur J Orthop Surg Traumatol. 2019 Dec;29(8):1759-1764. doi: 10.1007/s00590-019-02479-3. Epub 2019 Jun 25.

Reference Type BACKGROUND
PMID: 31240385 (View on PubMed)

Other Identifiers

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REC/RCR&AHS/24/0409

Identifier Type: -

Identifier Source: org_study_id

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