A Cross-Sectional Study of the Normative Data of the Side-To-Side Soleus Hoffmann Reflex from the Calf Muscle in Healthy Individuals in the Lying Down Position.
A Gupta, S Chouhan, V Arya, R Singh, R Shrivastava, N Ravi
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Abstract
The goal of this study was to find out from the calf muscle, the normal H-reflex is in a group of healthy adults. This study is conducted for the period of one year in 2020-2021, in the department of Physiology AIIMS Bhopal, 119 adult male healthy volunteers who were asymptomatic from peripheral neuropathy and had a mean age of 30.40±6.78 were evaluated, to compare the normative tibial H reflex to their stature, body mass index, core body temperature, and limb length. The parameters considered were M- Latency, H-Latency, M-Amplitude, H- Amplitude and H/M Ratio in their left and right legs, respectively. A total of 111 participants (93.3%) were in the age group of 40 years or younger, with the mean age (in years) being 30.40±6.78. Only eight (8) participants (6.7%) belonged to the over-40 age group. The average weight (Kg), height (cm), and limb length (cm) were 173.11 cm, 10.48 cm, and 94.28 cm respectively. The mean ±SD latencies of the H reflex were 30.93±4.42 and 31.01±5.21 milliseconds in the right and left legs, respectively. Leg length and H reflex latency had a significant correlation (r = 0.55, p=0.05). There was no discernible correlation between age and the H reflex latency. The right and left H reflex latencies should vary by no more than 1.8 ms to be deemed normal. This research examined tibia H-reflex side-to-side latency variability and amplitude. Neurologic function may be assessed using the H-reflex. Due of its sensitivity to external circumstances, the H-reflex must be elicited carefully. The H-reflex may reveal neuronal function following damage if assessed appropriately.