Clinical trial NCT02300636: Resistive Co-contraction Training After Anterior Cruciate Ligament Reconstruction
Official title: Randomized-controlled,Resistive Co-contraction Training Enhances Strength Recovery After Anterior Cruciate Ligament Reconstruction
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Muscle Weakness
Keywords: Knee joint
Muscle strength
anterior cruciate ligament
Lead sponsor: Hacettepe University
Sponsor class: OTHER
First posted: 2014-11-25
Enrollment: 52
Sex: MALE
Minimum age (years): 17
Maximum age (years): 40
Standard ages: CHILD
ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: This study investigates different resistive co-contraction trainings effect on knee strength recovery after ACL reconstruction. Participants will be divided into three groups. Group 1 will receive standard ACL rehabilitation with 8 week co-contraction training in open kinetic chain position, Group 2 will receive standard ACL rehabilitation with 8 week co-contraction training in open kinetic chain position and Group 3 (control group) will only receive standard ACL rehabilitation.

Detailed description: Co-contraction trainings can enhance joint stability via improving proprioceptive ability and stimulates muscle activity after injury and/or surgery. The participants will be assigned to the different groups one month after surgery. They will receive 8-week-treatment. Isometric strength of quadriceps and hamstring muscles will be measured at first,third and sixth months after surgery. Concentric and eccentric strength of quadriceps and hamstring muscles will be measured only at sixth months after surgery.

Eligibility criteria: Inclusion Criteria:

* ACL reconstruction with hamstring autograft
* starting PT program within one week after surgery

Exclusion Criteria:

* Revision surgery
* serious cartilage damage and/or cartilage repair
* ACL reconstruction with allograft and patellar tendon graft
* Having systemic and/or neurological problems

Primary outcomes:
measure: knee muscle strength recovery
timeFrame: 8 weeks
Secondary outcomes:
measure: hamstring quadriceps ratio
timeFrame: 6 months
Other outcomes:
Locations:
city: Ankara
country: Turkey
facility: Hacettepe University, Department of Physiotherapy and Rehabilitation
Study officials:
affiliation: Hacettepe University
name: GULCAN HARPUT, MSc
role: PRINCIPAL_INVESTIGATOR
References:
citation: Cho SH, Bae CH, Gak HB. Effects of closed kinetic chain exercises on proprioception and functional scores of the knee after anterior cruciate ligament reconstruction. J Phys Ther Sci. 2013 Oct;25(10):1239-41. doi: 10.1589/jpts.25.1239. Epub 2013 Nov 20.
citation: Lobb R, Tumilty S, Claydon LS. A review of systematic reviews on anterior cruciate ligament reconstruction rehabilitation. Phys Ther Sport. 2012 Nov;13(4):270-8. doi: 10.1016/j.ptsp.2012.05.001. Epub 2012 Jun 7.
citation: Begalle RL, Distefano LJ, Blackburn T, Padua DA. Quadriceps and hamstrings coactivation during common therapeutic exercises. J Athl Train. 2012 Jul-Aug;47(4):396-405. doi: 10.4085/1062-6050-47.4.01.
citation: Glass R, Waddell J, Hoogenboom B. The Effects of Open versus Closed Kinetic Chain Exercises on Patients with ACL Deficient or Reconstructed Knees: A Systematic Review. N Am J Sports Phys Ther. 2010 Jun;5(2):74-84.
citation: Tagesson S, Oberg B, Good L, Kvist J. A comprehensive rehabilitation program with quadriceps strengthening in closed versus open kinetic chain exercise in patients with anterior cruciate ligament deficiency: a randomized clinical trial evaluating dynamic tibial translation and muscle function. Am J Sports Med. 2008 Feb;36(2):298-307. doi: 10.1177/0363546507307867. Epub 2007 Oct 16.
citation: Biscarini A, Benvenuti P, Botti FM, Brunetti A, Brunetti O, Pettorossi VE. Voluntary enhanced cocontraction of hamstring muscles during open kinetic chain leg extension exercise: its potential unloading effect on the anterior cruciate ligament. Am J Sports Med. 2014 Sep;42(9):2103-12. doi: 10.1177/0363546514536137. Epub 2014 Jun 10.
citation: Palmieri-Smith RM, McLean SG, Ashton-Miller JA, Wojtys EM. Association of quadriceps and hamstrings cocontraction patterns with knee joint loading. J Athl Train. 2009 May-Jun;44(3):256-63. doi: 10.4085/1062-6050-44.3.256.