The Effect of Early WBVT on Neuromuscular Control After ACLR

Chinese University of Hong Kong48 enrolled

Overview

To investigate the effect of early WBVT on neuromuscular control after ACLR.

The knee joint position sense, postural control, muscular strength and functional ability after anterior cruciate ligament construction (ACLR) are distorted, and even after a period of rehabilitation. Previous studies had demonstrated that there was improvement in knee joint, postural balance, muscle strength and functional outcome in elderly, stroke and spastic patients already. It has also been concluded that the balance in elderly, postmenopausal women, Parkinson's disease, multiple sclerosis, stroke and spastic patients were all significantly improved. Some studies showed that the proprioception in osteoarthritis patients significantly improve. Knee strength is also one of the aspect being improved. However, no studies focus on the early effect of WBVT on knee joint proprioception, postural control, muscle strength, knee joint stability and functional ability in ACLR cases. This study is to answer this research gap.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Enrollment

Conditions

Rupture of Anterior Cruciate Ligament

Interventions

Whole body vibration therapyOTHER

The WBVT will be carried out in a vibration plates operated in vertical direction. The frequency of that vibration can be adjusted step of 5Hz with vibration frequency ranges from 20Hz to 60Hz. The amplitude can be set as 4mm.

ControlOTHER

Conventional post-operative physical therapy exercises and rehabilitation.

Eligibility

Sex: ALL

Medical Language ↔ Plain English

Inclusion Criteria: * ACLR with a single-bundle approach * no complication such as wound infection after the ACLR * able to walk with a pair of elbow crutches independently at one month post operation Exclusion Criteria: * concomitant posterior cruciate ligament, lateral collateral ligament, and medial collateral ligament injury in the same knee * previous operation on either lower limbs * medical problems such as pregnancy, acute thrombosis, serious cardiovascular disease, pacemaker, acute hernia, discopathy, spondylolysis, severe diabetes, epilepsy, recent infections, severe migraine, tumors or kidney stones etc * neurological conditions such as Guillain-Barre ́ syndrome, myasthenia gravis, and postpolio syndrome * prior experience of WBVT

Locations (1)

Physiotherapy Department, Prince of Wales Hospital

Shatin, Hong Kong, Hong Kong

Outcomes

Primary Outcomes

Joint position sense

Using Biodex Dynamometer (Biodex Medical Systems, Shirley, NY, USA) for measurement.

Time frame: 1-month post-operation, 3-months post-operation, 6-months post-operation

Muscle isokinetic strength

Using Cybex NORM dynamometer for measurement.

Time frame: Pre-operation, 3-months post-operation, 6-months post-operation

Postural control

Using Biodex Stability System (BSS; Biodex Medical Systems, Shirley, NY, USA with software version 3.1) for measurement

Time frame: 1-month post-operation, 3-months post-operation, 6-months post-operation

Functional Outcome

Functional Outcomes * single leg hop test * triple leg hop test * caricoca test * Shuttle run test

Time frame: Pre-operation and 6-months post-operation

Knee joint stability

Time frame: Pre-operation, 3-months post-operation, 6-months post-operation

Knee range of motion

Time frame: 6-months post operation

Data from ClinicalTrials.gov

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