Exercise With Audible Cues on Motor Unit Behavior in Athletes With Anterior Cruciate Ligament Reconstruction

Recruiting now · Not applicable

Conditions studied: Therapeutic Exercise, Physical Therapy Techniques, Neuromuscular Function

In brief

The closed kinetic chain (CKC) of terminal knee extension exercise (TKE) is designed to activate VM activity for knee injury training. This CKC exercise is effective for highest recruiting muscle activity, especially safe for post-operative knee surgery. The study of ACL reconstruction rehabilitation guideline suggests that exercises can be applied within the early phase of rehabilitation to prevent knee laxity and less knee pain compared to open chain exercise. Therefore, it is interesting to investigate the effects of TKE exercise synchronized with metronome pace on change of VM motor unit behavior in post operative ACL reconstruction. This study focuses on the immediate effect of 1-seesion TKE and expects that adding metronome during TKE will enhance neuromuscular control of VM and may change motor unit behavior.

Key facts

Study ID

NCT06662955

Run by

Mahidol University

People needed

40

Starts

2024-10-20

Expected to finish

2026-12-30

Last updated by the study team

2025-12-12

Who can join

Age: 18 and older, up to 35. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female participants who receive primary ACL reconstruction within 2 weeks with or without meniscus repair
• No or mild resting pain (Numeric rating scale ≤ 3)
• Reconstruction procedures using autograft including hamstrings or bone-patella bone grafts
• Age range 18-35 years (33).
• BMI of 18.5-25 kg/m² (34).
• Tegner activity scale ≥ level 4

You may not qualify if…

• Non-weight bearing within 2 weeks after the operation (prescription from surgeon)
• Hearing problem, such as being unable to hear the metronome sound or being unable to synchronize exercises with the metronome correctly
• Limitations in knee extension range caused by joint stiffness evaluated by using passive knee range of motion
• Unable to perform active and passive ≥ 30º knee flexion on the operative side
• History of serious injury or operation of lower back and lower extremities such as fracture
• Lower back or lower extremities pain within 6 months before the study
• On the pain killer medication

Where it is running

• Faculty of Physical Therapy, Mahidol University — Salaya, Changwat Nakhon Pathom, Thailand (enrolling)

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.