Muscle Fatigue Clinical Trial
Official title:
The Effect of Cervical Muscle Fatigue on Neck Proprioception and Postural Stability
PURPOSE:
To investigate the effect of cervical muscle Fatigue on neck proprioception and postural
stability during cervical flexion.
BACKGROUND:
Postural stability is the ability to maintain the body in equilibrium either at rest or in a
steady state of motion . Muscle fatigue is the diminished response of muscle to repeated
stimulus. Cervical proprioceptive inputs provide important somatosensory information
influencing postural stability. Hence, the investigators performed this study to evaluate the
effect of experimentally induced fatigue on general cervical musculature on postural
stability .
HYPOTHESES:
This study will hypnotize that:
1. Cervical flexor muscle fatigue will have a significant effect on neck proprioception
2. Cervical muscle fatigue will have a significant effect on posture stability
RESEARCH QUESTION:
Will fatigue of cervical flexors have an effect on neck proprioception and postural
stability?
Status | Recruiting |
Enrollment | 45 |
Est. completion date | July 20, 2020 |
Est. primary completion date | June 15, 2020 |
Accepts healthy volunteers | |
Gender | All |
Age group | 18 Years to 40 Years |
Eligibility |
Inclusion Criteria: - having cervical range of motion 80 to 90 of flextion, 70 degree of extension, 20 to 45 degrees if lateral flextion, and 80 to 90 rotation to both sides. - having normaluscle test strength for cervical neck flexors according to group manual muscle test - body mass index ranging from 18.5 to 24.9 kg/m2 Exclusion Criteria: - any history of pathological truma to the cervical,thoracic or lumbar spine, upper extremity or rib cage. - surgical condition of the spine - having any orthopedic, musculoskeletal or neurological disorders around cervical region. - any vestibular impairment (e.g.vertigo) - spinal postural deformities as hyper kyphosis &scoliosis |
Country | Name | City | State |
---|---|---|---|
Egypt | Ministry of Health | Cairo | Giza |
Lead Sponsor | Collaborator |
---|---|
Alaa Yousri Mahmoud Atia |
Egypt,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Multi-Directional Reach Test | Multi-Directional Reach (MDRT) is an inexpensive screening tool to determine the limits of stability of individuals in 4 directions. It measure how far an individual can voluntarily reach, thereby shifting the COG to the limits of the BOS with the feet stationary. The MDRT is a valid and reliable clinical measure for limits of stability. The test can be used to assess human postural stability in different four direction as follow (Roberta 2001) | six months | |
Other | Biodex Balance System for The postural stability test | The postural stability test emphasized on subject's ability to maintain center of balance. The subject's score on this test will assess the deviations from center, thus a lower score is more desirable than a higher score. Platform stability could be varied during this test by selecting (more options) from the Postural Stability Testing screen. It was proved that trial time, number of trials, starting and ending platform stability, rest count-downs or bilateral test could be set (Tropp and Odenrick., 2011). | six months | |
Primary | Induction of fatigue using isometric neck flexor muscle endurance test (NET): | a. An isometric neck muscle endurance test (NME test) will be performed for the deep neck flexors (Rectus Capitus Anterior, Rectus Capitus Lateralis, Longus Capitus, Longus Colli) until exhaustion in all participants occurs. with the subject in hook lying position through CHIN RETRACTION AND HEAD ELEVATED FROM THE COUCH. | six months | |
Secondary | Measurement of neck proprioception using cervical joint position error test via OVERHEAD LASER POINTER | : A laser pointer will be fixed to a headband or strap. Target paper will be typically 40 cm in diameter that contains concentric circles in 1 cm increments, divided into 4 quadrants intersecting at the zero. | six months |
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