A new method to determine reflex latency induced by high rate stimulation of the nervous system.
Ilhan Karacan, Halil I Cakar, Oguz Sebik...
https://pubmed.ncbi.nlm.nih.gov/25100978Actively Recruiting
Led by Istanbul Physical Medicine Rehabilitation Training and Research Hospital · Updated on 2026-05-27
24
Participants Needed
1
Research Sites
4 weeks
Total Duration
Researchers are evaluating the link between vitamin D deficiency, postural stability, and neuromuscular control in adults aged 20 to 40 years. This observational study compares individuals with vitamin D deficiency to healthy controls to better understand how vitamin D status affects neuromuscular responses and balance. Participants are divided into two groups based on routine clinical test results for vitamin D levels. Those with vitamin D deficiency and those with normal vitamin D status both undergo a single session of non-invasive assessments. These include surface electromyography to measure muscle activity and tests of postural stability during various standing tasks, including single-leg and double-leg stance with and without vibration stimulation. During the single assessment session, researchers will record muscle activation and postural stability parameters under different conditions. They will analyze neuromuscular reflexes and how loading and vibration influence balance. The study aims to provide insights for future rehabilitation and balance training strategies. Participation involves no invasive procedures, medications, or additional blood tests, and results from prior routine labs are used to determine vitamin D status.
CONDITIONS
Bone Myoregulation Reflex and Postural Control in Vitamin D Deficiency
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Complete this quick 3-step screening to check your eligibility
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person) to confirm eligibility based on recent vitamin D laboratory results.
Duration - Single session
Participants undergo a standardized assessment protocol including non-invasive postural stability and surface electromyography measurements during standing tasks under various conditions.
1 assessment visit (in-person) involving muscle activity recordings and postural stability tests.
Duration - No additional visits; data analysis period only
Participants' neuromuscular and postural control data are observed and analyzed following the single assessment session.
No additional visits required.
Total: 1 location
1
Istanbul Physical Medicine and Rehabilitation Training and Research Hospital
Istanbul, Turkey (Türkiye), 34186
Actively Recruiting
S
Selim Sezikli, MD
I
Ilhan Karacan, Prof.
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
2
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Ilhan Karacan, Halil I Cakar, Oguz Sebik...
https://pubmed.ncbi.nlm.nih.gov/25100978