DẪN TRUYỀN VẬN ĐỘNG CÁC DÂY THẦN KINH CHÀY SAU, MÁC SÂU VÀ THỜI GIAN TIỀM TÀNG PHẢN XẠ H Ở NGƯỜI BÌNH THƯỜNG ĐỘ TUỔI 40-60

Abstract

Motor nerve conduction studies and H reflex were two techniques that selectively record the compound muscle action potentials after nerve stimuli. The objectives of study were to determine (1) the latencies, amplitudes, motor conduction volecities of the posterior tibial and deep peroneal nerve, and (2) H-reflex latencies in heathy adults aged 40-60. 34 males and 34 females that were recruited, equally divided into age groups 40-50 and 51-60. The results illustrated that the values ​​of motor nerve conduction studies and H reflex latencies between men and women were no significant differences at 95% confidence intervals (p>0,05). However, the motor conduction volevities of the posterior tibial and deep peroneal nerve between both gender were significant differences at 95% confidence intervals (p<0,05). H-wave reflex latency in the posterior tibial nerve: In men was 29,03 ± 1,83 (ms), in women was 28,74 ± 1,32 (ms). H-reflex latency in the posterior tibial nerve: In men was 33,39 ± 1,74 (ms), in women was 33,19 ± 1,58 (ms).