Available Online at www.ijcrr.in International Journal of Contemporary Research and Review ISSN 0976 – 4852 Research CrossRef DOI: http://dx.doi.org/10.15520/ijcrr/2018/9/01/398 January, 2018|Volume 09|Issue 01| International Journal of Contemporary Research and Review, Vol. 9, Issue. 01, Page no: SS 20362-20367 doi: http://dx.doi.org/10.15520/ijcrr/2018/9/01/398 Page | 20362 Section: Social Science Evaluate the Effect of Bike Riding on Posture Dr.Abdul Rashad, Dr.Vinod Kumar, Dr.Noshin Luff, Dr.Saman Habib, Miss Hina Muhammad Munaaf, Dr.Sumeet Kumar, Dr.Rabel Chang, Dr.Alisha Noreen Received 2017-11-25; Accepted 2017-12-28 Abstract: Objective: The purpose of the present study was to examine the posture deformity in bike riders. Study Design: Observational study conductedamong student and physiotherapist of Karachi. Sample Size: 30 Participant were included. Sample population: Male Undergraduates of Ziauddin College of physical therapy and physiotherapist of Ziauddin hospital in Karachi. Method: Every partaker was asked to stand in a quiet room with air condition and proper lightening. We informed the participant about full procedure and distribute the consent form among all participants. Participant attended an experiment on different stations to measure different deformitiesEach session consisted for 15-20 minutes. Participant voluntarily responded the pre survey questionnaire before experiment. Afterward physical examination is done i.e. height and weights of participants are taken. During session scoliosis, kyphosis, bilateral shoulder shift and lumber lordosis are measured at each station and then participants are allowed to rest there for 5 minutes. Result: Study concluded that there is a significant effect on posture while riding a bike for prolong period. Conclusion:Due to prolong bike riding time there is a significant effect on cervical, lumber and thoracic spine in bike rider which having discomfort while riding, extend riding period and faulty sitting posture. Key words: Bike riders, Bike, Scoliosis, Kyphosis, Lordosis, Bilateral shoulder shift. Introduction: Bike riding is an activity appreciated by many people for transportation, recreation and competition. Unfortunately, although bike riding is generally beneficial, it also carries inherent risks for its participants. There are thousands and thousands millions of motor cycle incidents| each year. With such high occurrences, further investigation related to the possible triggers of these accidents is valuable to any types of riders. 1 Motor cycle usage increased day by day in world especially in Asian countries and this rate growing rapidly.In develop cities most of the middle class people using motor bike (MB) for transportation Now lengthen sittingon motor