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ISSN : 2092-8475(Print)
ISSN : (Online)
Journal of International Academy of Physical Therapy Research Vol.9 No.1 pp.1435-1441

Effects of Lumbar Central Posteroanterior Mobilization on Isometric Knee Extension and Patellar Tendon Reflex Amplitude: A Pilot Study

Bo Kyung aKim,Ho Jung Anb,Seo Yoon Heoc,Byeong Jo Kimd,Wan Suk Choia
aInternational University of Korea, Jinju
b Dongnam health University, Suwon
cKyungbok University, Pochen
dDongeui University, Pusan, Korea
Address for correspondence Wan Suk Choi, PT, Ph.D Department of Physical Therapy, International University of Korea, 965, Dongbu-ro, Munsan-eup, Jinju-si, Gyeongsangnam-do, Korea Tel: 82-10-9041-2769


The main focus of this study was to investigate effects of lumbar central posteroanterior (PA) mobilization on isometric knee extension (IKE) ability and patellar tendon reflex amplitude (PTRA) in healthy university students. University students aged 19-26 (male; 10, female; 10) without any neurological disorders participated voluntarily and excluded the subjects with abnormal reflexes. The participation had an average body mass of 64.25±13.52 kg, an average height of 1.66±0.08m, and an average Body Mass Index (BMI) of 23.07±3.21. Every student was randomly assigned to be received squatting exercise and PA mobilization sequentially with 5 days of wash out period. IKE and PTRA were not significantly different between the two groups after the intervention. All the outcome measures were arranged into two data groups; PA mobilization and squatting exercise data group. In the PA mobilization data group, IKE and PTRA significantly increased after the intervention, however, these aspects were decreased in the squatting exercise group. These findings suggest that IKE and PTRA increase immediately after PA mobilization, therefore PA mobilization could be a valuable topic for controlled clinical trials.