Prof. A. Kariyawasam
Professor in Physiology
 
Research Publications
  1. Angage Dilani Priyashanthi Perera, Anoja Ariyasinghe, Anula Kariyawasam. (2020) Effect of Respiratory Muscle strengthening on rowing Performance. Asian  Journal of Medical Sciences, 11 (6): 1-8

  2. Anula Kariyawasam, Anoja Ariyasinghe, Arun Rajaratnam, Padmakanthi Subasinghe (2019) Comparative study on skill and health related physical fitness characteristics between national basketball and football players in Sri Lanka. BMC Research Notes; 12(1): 397

  3. Chellapillai FMD , Wijayalath WPLD , Dayarathna WMS , Safinaz ZMFZ , Ihsan AN , Neranjan EPL , Ariyasinghe AS, Kariyawasam AP (2019) Predisposing Factors for Hamstring Tightness among University Students. Journal of Physiotherapy and Physical Rehabilitation 4:2, 172

  4. Dissanayaka TD, Pallegama , Suraweera HJ, Johnson MI, Kariyawasam AP (2016) Comparison of the Effectiveness of Transcutaneous Electrical Nerve Stimulation and Interferential Therapy on the Upper Trapezius in Myofascial Pain Syndrome: A Randomized Controlled Study. American Journal of Physical Medicine & Rehabilitation 95(9):663-72

  5. Kariyawasam A.P, Dawes C. (2005) A circannual rhythm in unstimulated salivary flow rate when the ambient temperature varies by only about 2° C. Archives of  Oral Biology 50; 919-922.

  6. Dennis KL, Cheng R, Nguyen T, Fan T, Kariyawasam AP, Liu Y, Osmond DH, George SR, O’Dowd BE (2000) Characterization of Apelin: the ligand for the APJ receptor. Journal of Neurochemistry 74: 34-41.

  7. Mavrogiannis L, Kariyawasam K.P.A.P, Osmond D.H. (1997) Potent blood pressure raising effects of activated coagulation factor XII. Canadian Journal of Physiology and Pharmacology. 75: 1398-1403.

  8. Anoja S. Ariyasinghe, A. Kariyawasam, P. Subasinghe, Arun Rajaratnam (2019) Anthropometric and physiological profile of elite basketball and football players in Sri Lanka: their implications in player selection. Journal of Physical Education Research; 6(11): 17-22.

  9. MVG Pinto, Anula Kariyawasam, Bhagya Thenuwara,  Prabuddha VB Jayasinghe, Sasika K Weerabahu, Senani U Dunukearachchi, Dhanoja LR Wijesinghe, AHMAH Abayasinghe. (2016) A Comparison of Lung Functions between Supine, Comfortable Sleeping Positions and Uncomfortable Sleeping Positions in Adult Males. International Journal of Scientific and Research Publications 6(2): 366-371.

  10. ALI Prasanna, Liyanage E, Rajaratne SA, Kariyawasam KPAP, Rajaratne AAJ (2013) Change in muscle strength of Hip and Knee muscles and thigh circumference in a group of transtibial amputees. International Journal of Medicine and Allied Health Sciences; 3 (2): 237-41.

  11. Pinto MVG, Kariyawasam A,  Nandadeva TDP, Marasinghe IUK, Amarasinghe U, Jayakody NS, Weerasinghe WNL. (2010) Changes in lung function of individuals during normal sleeping body and arm position compared to supine position. Sri Lanka Journal of Anaesthesiology XVIII (2):p 72-74

  12. Kariyawasam KPAP, Varathan S, Kumarasiri PVR, Warusawithana CS, Ackermann U. Assessment of  anthropometric and physiological parameters in rugby players before, during and after training. Proceedings of the Peradeniya University Research Sessions, Sri Lanka. 3rd Dec 2009; Vol 14: p73-75.

  13. Kariyawasam A. P, Seneviratne S. M. S. P, Sitheeque F, Dharmasena N. S. I., Rizmy M. M., Bandara B. M. O. Can Peak Expiratory Flow Rate be Used as a Substitute to Forced Expiratory Volume in the First Second (FEV1) in the Diagnosis of Obstructive Lung Disease? Proceedings of the Peradeniya University  Research Sessions, Sri Lanka. 16th Dec. 2010; Vol 15: p244-246.

  14. Dissanayaka TD, Pallegama RW, Kariyawasam A. (2013). Immediate effectiveness of Transcutaneous Electrical Nerve Stimulation (TENS) and Interferential therapy (IFT) on reduction of pain of trigger points in the upper trapezius in myofascial pain syndrome, Proceedings of the 3rd Young Scientists Forum Symposium: 42-44.
Abstracts of presentations published in peer reviewed journals
  1. Madhawa Perera , Anoja Ariyasinghe , Harshani Ekanayake , Anula Kariyawasam (2020). Comparison between leg-to-leg and hand-to-hand bioelectrical impedance analysis in the assessment of fat percentage of male athletes in Sri Lanka. Journal of the college of community physicians of Sri Lanka, 26: 89 (presented at the  25th Annual Scientific Sessions of the College of Community Physicians of Sri Lanka. Colombo.)

  2. Madhawa Perera , Anoja Ariyasinghe , Anula Kariyawasam  (2020). Validating a regression model to predict cardio-respiratory fitness (VO max) of professional sportsmen in Sri Lanka. Journal of the college of community physicians of Sri Lanka, 26: 104 (presented at the  25th Annual Scientific Sessions of the College of Community Physicians of Sri Lanka. Colombo.)

  3. Madhawa Perera , Anoja Ariyasinghe , Anula Kariyawasam  (2020). Validity of using anthropometry over bioelectrical impedance analysis to predict overweight in Sri Lankan athletes. Journal of the college of community physicians of Sri Lanka, 26: 111 (presented at the  25th Annual Scientific Sessions of the College of Community Physicians of Sri Lanka. Colombo.

  4. Dilani Priyashanthi Perera, Anoja Ariyasinghe, Anula Kariyawasam. (2019) Respiratory Muscle Training (RMT), Aerobic Fitness and Performance in Sri Lankan Rowers , Journal of Physiological Sciences, 69 (suppl. 1): S 196, 2019(Presented at the 96th Annual Meeting of the Physiological Society of Japan, March 28 - 31, 2019, Kobe, Japan)

  5. K. Kariyawasam, D. Osmond.  Captopril potentiates hypertensive effects of “New Pressor Protein”(NPP, FXIIa) via renal and adrenal medullary mechanisms. Journal of Hypertension 2000; 18 (suppl 4): p S 24, abs 12B.05.(Presented at the 18th Meeting of the International Society of Hypertension (ISH), Chicago, IL USA, August 2000).

  6. A.P. Kariyawasam, L. Mavrogiannis, D.H.Osmond. Enzymic and peptidic mediation of cardiovascular effects of human coagulation FXIIa (NPP). International Journal of Hematology, 2000; 72 (suppl 1): p 39, abs 15910.(Presented at the 28th world congress of the International Society of Hematology, Toronto, August 2000).

  7. D.H. Osmond, F. Boomsma, D. Trambakoulos, A.P. Kariyawasam, A. Amfilochiadis, N. Kogan, D. Simos.  Does the blood coagulation system ‘talk’to the sympatho-adrenal system. International Journal of Haematology, 72 (suppl 1): p 40, abs 15923, 2000.(Presented at the 28th world congress of the International Society of  Hematology, Toronto, August 2000).

  8. Kariyawasam KPAP, Mavrogiannis L, Osmond DH. Potent blood pressure raising effect of a protein related to human coagulation FXII. Clinical and Investigative Medicine, supplement, 1998, p S46(Presented at the annual meeting of the Royal College of Physicians and Surgeons of Canada, Toronto, September 1998).

  9. K.P.A.P. Kariyawasam, L. Mavrogiannis, D.H. Osmond. Hypertensive effect of activated coagulation FXII is potentiated by ACE inhibitors. Journal of Hypertension, 1998; 16 (suppl 2), p S146.(Presented at the 17th scientific meeting of the International Society of Hypertension (ISH), Amsterdam, The Netherlands, June 1998).
Abstracts of presentations
  1. Kariyawasam, A. P., Ariyasinghe, A. S., Abeygoonaratne, L. S. P., Perera, W. M. K. The validity of the Beep test against Astrand-Rhyming Cycle Ergometer test to estimate cardiorespiratory fitness of Volleyball players in Sri Lanka. Proceedings of the International Conference on Health Sciences, 2019, Faculty of Medical Sciences, University of Sri Jayewardenepura, p 118

  2. Perera, W. M. K., Aththanayake, A. M. S. M. C. M., Konara, K. M. S. W. B., Ariyasinghe, A. S., Kariyawasam, A. P. Regression equation to determine back muscle strength of school rugby players: Preliminary study. 2020, Proceedings of the Annual Academic Sessions of Kandy Society Medicine (KSM) 2020, p 110

  3. Perera, W. M. K., Ariyasinghe, A. S., Kariyawasam, A. P. Validation of a non-exercise VO2max prediction equation among school rugby players in Sri Lanka. Academic sessions of Colombo Medical Congress, 2020, Faculty of Medicine, University of Colombo, p 160

  4. Perera, W. M. K., Ariyasinghe, A. S., Shiroma, R. G. L., & Kariyawasam, A. P. (2020). A regression model to predict anaerobic capacity of hockey players in Sri Lanka. Galle Med Journal 25(1) –presented at the 79th Annual Academic Sessions of the Galle Medical Association.

  5. Perera WMK, Nanayakkara SDI, Ariyasinghe AS, Subasingha SATK, Kariyawasam AP. (2020)  Comparison of Heart Rate Variability (HRV) between professional hockey players and untrained healthy controls. Galle Med Journal 25(1) - presented at 79th Annual Academic Sessions of the Galle Medical Association.

  6. Goonasekara M.A, Gayathri H.D.K, Gunaratne W.M.S.N, Gunasekara S.W.J.R, Gunasinghe S.C.S, Gunathilaka H.M.S, Kariyawasam K.P.A.P. (2005) Obesity indices and systolic blood pressure in school teachers aged 30-60 years. Annual Sessions of Physiological Society of Sri Lanka, November 2005, p 12.

  7. M.H. Wattegama, D.M. Layanage, M.M.N.R. Bandara, L.P. Kariyawasam, J.H.M.M. Ranaweera, K.S.U.A. Kodithuwakku, M.N.S. Weerasinghe, M.R.S. Shireen, K.M.L. Kandegedara, K.P.A.P. Kariyawasam (2009) Knowledge and prevalence of risk factors of ischaemic heart disease among non-academic staff of University of Peradeniya. Annual Sessions of the Physiology Society of Sri Lanka 2009, p22.

  8. Pinto M.V.G, Amarasinghe U, Jayakody N.S, Weerasinghe W.N.L, Kariyawasam A (2010)  Changes of the lung function of an individual during supine position compared to the normal sleeping body and arm position. College of Anaesthesiologists of Sri Lanka 26th Annual Scientific Sessions 2010, p 56.

  9. Pathirana P.G.C.M.S, Mohamed R.S, Prasanna A.L.I, Rajaratne S.A, Kariyawasam A, Rajaratne A.A.J (2011) A preliminary study on lung functions of disabled military personnel. Proceedings of the 24th Annual Research Sessions of Physiological Society of Sri Lanka, 2011, p17.

  10. Dissanayaka TD, Kariyawasam A, Pallegama RW, Suraweera HJ, T. Dassanayake (2012) Immediate effectiveness of transcutaneous electrical nerve stimulation (TENS) in treating trigger points of the upper trapezius in myofascial pain syndrome – Preliminary study, Proceedings of abstracts of the Peradeniya University Research Sessions, (PURSE) Sri Lanka, July 2012, p 110

  11. Prasanna A.L.I, Liyanage E, Rajaratne S.A, Kariyawasam K.P.A.P, Rajaratne A.A.J (2013) Effectiveness of impairment specified muscle strengthening programmes in a group of disabled athletes. Proceedings and abstracts of the international sports science students conference (ISSSC) Sports centre and UM Arena, University of Malaya, Kuala Lumpur, Malaysia, 2013.

  12. Indrajith Liyanage, Shamila Ahamed Rajaratne, Anula Kariyawasam, Thusharika Dissanayake, Jayantha Rajaratne (2012) Effectiveness of a Muscle strengthening program in a group of disabled military personnel – A preliminary study. 3rd biennial conference of the South Asian Association of Physiologists (SAAP-3) in conjunction with the 25th Anniversary of the Physiological society of Sri Lanka (PSSL), 2012, p 131

  13. S. Mayooran, S.A. Rajaratne, A.S. Ariyasinghe, A.P. Kariyawasam, A.P.  Dinaratne, H.R.M. Rajapakse, A.A.J. Rajaratne. (2014) A comparative study of ventilatory function among disabled soldiers, disabled civilians, and able-bodied soldiers. Proceedings of Annual Scientific Sessions of the Physiological Society of Sri Lanka 2014, p 17.

  14. Prasanna A. L. I, Liyanage E, Rajaratne S. A, Kariyawasam K. P. A. P, Rajaratne A. A. J (2016) Effectiveness of a  1 RM based muscle strengthening programme in a group of transtibial amputees in Sri Lanka. Asian Physical Therapy Congress,  Malaysia, 2016

  15. Dinaratne N.L, Rajaratnam A, Pushpamali W.A.I, Rajapaksha E.K.M, Hemachandra E.P.G.K.G, Nandadeva T.D.P, Kariyawasam A, Nanayakkara S.D.I (2017) Cardiovascular autonomic functions: A comparison between trained athletes and sedentary controls. Proceedings of the 30th Annual Research Sessions of Physiological Society of Sri Lanka, 2017, p 44

  16. Suraweera S.A.D.M, Sharmin T, Senevirathne H.K.A.T.N, Senarath D.M.K.N, Sahayaruban J, Rathnayake R.M.N.C, Piratheepa T, Kariyawasam A.P, Ariyasinghe A.S (2018) Comparison of anthropometric and physical fitness characteristics between forwards and backs in a Sri Lankan University rugby team. Sri Lanka Sports and exercise Medicine conference, 2018

  17. TRP Ruberu, M Udupihille, A. Kariyawasam (1994) Comparison of electronic blood pressure instruments  with a conventional mercury sphygmomanometer, 2nd International Medical Congress, 27-30 July 1994, p23-24

  18. Kariyawasam KPAP, Udupihille M, Jayanath EA (1995) Norms of lung function indices in children of Sinhalese ethnic origin. Annual Research Sessions 1995, Faculty of Medicine, University of Peradeniya, p 4-5

  19. Kariyawasam KPAP, Udupihille M, Ratnayake EMN (1995) Lung function indices in Indian Tamil school children. Annual sessions of Physiological Society of Sri Lanka, 1995, p 9-10

  20. Kariyawasam KPAP, Mavrogiannis L, Osmond D.H (1998) Hypertensive effect of activated coagulation factor XII is potentiated by ACE inhibitors 18th Annual Frontiers in Physiology, Faculty of Medicine, University of Toronto, Toronto, Canada, 1998, p 37

  21. A.P. Kariyawasam, M.A.M. Sitheeque, A. Pandithasekara, A.K. Suraweera, E.A.P.D. Amaratunga (2008) Association between secretor status of saliva and oral leukoplakia - A preliminary report. Proceedings of the International dental conference and the 75th Anniversary Annual Scientific Sessions of Sri Lanka Dental Association,  June 2008, p  42

  22. A.P. Kariyawasam, U. Ackermann, D.H. Osmond, F. Boomsma (2003)  Cardiovascular and adrenal medullary catecholamine responses of "New Pressor Protein" in bilaterally nephrectomized (2NX) rats treated with Captopril. Proceedings of  Peradeniya University research Sessions (PURSE), October 2003, p 116

  23. Kariyawasam K.P.A.P, Ackermann U (2005) Captopril potentiates hypertensive effects of “New Pressor Protein” (NPP) related to coagulation FXII, via peptides acting on adrenal medulla. Annual Sessions of  the Physiological Society of Sri Lanka, November 2005, p 7

  24. Prasanna A. L. I, Rajaratne S. A, Kariyawasam K. P. A. P, Rajaratne A. A. J, Kularatne S, Liyanage E (2013)  Assessment of lower back and  upper body flexibility in disabled soldiers in the Sri Lankan army.  Peradeniya University Research Sessions July 2013, p 277

  25. Dissanayaka TD, Kariyawasam A, Pallegama RW, Suraweera HJ (2013) Effectiveness of transcutaneous electrical nerve stimulation and Interferential therapy on reduction of trigger points of the upper trapezius in myofascial pain syndrome, 5th Association of South-East Asian Pain Societies Conference 2-5 May 2013, Singapore

  26. Dissanayaka TD, Kariyawasam A, Pallegama RW, Suraweera HJ (2013) Immediate effectiveness of transcutaneous electrical nerve stimulation (TENS) in treating trigger points of the upper trapezius in myofascial pain syndrome: Preliminary study, 5th Association of South-East Asian Pain Societies Conference 2-5 May 2013

  27. Padmakanthi S.A, Edirisinghe E.A.L.C.K, Ariyasinghe A.S, Kariyawasam A. P (2018) Comparative Study of Selected Physical Fitness Characteristics of Male Wrestlers, Boxers and Taekwondo National Players in Sri Lanka, Sri Lanka Sports and exercise Medicine conference, 2018

  28. Padmakanthi S.A, Edirisinghe E.A.L.C.K, Jayasinghe E.M, Ariyasinghe A.S, Kariyawasam A. P (2018) Relationship between Body composition, Muscle strength and Physical Performance Characteristics of National Football Players in Sri Lanka, Sri Lanka Sports and Exercise Medicine conference, 2018

  29. D.Simos, K.A.P.Kariyawasam, A. Amfilochiadis, N. Kogan, F. Boomsma, D. Osmond (2000)  Does the blood coagulation system ‘talk’to the sympatho-adrenal system. Frontiers in Physiology 2000, p 15

  30. Kariyawasam A.P, Ariyasinghe A.S, Nandadeva T.D.P, Abeygunaratne L.S.P, Perera W.M.K, Dharmawardena M.H (2018) Effect of a fifteen-week training programme on muscle strength of Army tug-of-war players. Proceedings of Annual Scientific Sessions of Physiological Society of Sri Lanka, 2018, p 42

  31. ADP Perera, A. Ariyasinghe, A. Kariyawasam (2018) Changes in lung volumes and respiratory muscle strength in different phases of the rowing stroke in Sri Lankan rowers: a preliminary study. 3rd International research symposium on Pure and Applied sciences, University of Kelaniya, 2018, p 54

  32. Dissanayaka TD, Kariyawasam A, Pallegama RW, Suraweera HJ (2013)  Effectiveness of transcutaneous electrical nerve stimulation and Interferential therapy on increasing cervical extension in myofascial pain syndrome patients, Proceedings and abstracts of the 35thannual academic sessions of the Kandy society of Medicine, 2013, p 84

  33. ADP Perera, A. Ariyasinghe, A. Kariyawasam (2018) Effects of Respiratory Muscle Training (RMT) on respiratory functions and rowing performance in Sri Lankan rowers: A randomized control study. 11th International Research Conference, General Sir John Kotelawala Defence University, 2018, p  60

  34. ADP Perera, A. Ariyasinghe, A. Kariyawasam (2017) The relationship  between ventilatory functions and rowing performance in Sri Lankan rowers: A preliminary study.  10th International Research Conference, General Sir John Kotelawala Defence University, 2017.

  35. Perera, W. M. K., Ariyasinghe, A. S., Nanayakkara, S. D. I., Kariyawasam, A. P. Association of muscle strength with flexibility in school rugby players in Sri Lanka: A preliminary study. Proceedings of the 32nd Annual Scientific Sessions of the Physiological Society of Sri Lanka (PSSL), 2019, p 30
 
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