• Human Anatomy
• Sport and exercise medicine

• Low back pain
• Anatomical variations
• Sports injuries

• NRC – Merit Award for Scientific Publication – 2010
• Fellowship in Sports Sciences from Olympic Association of Hyderabad, India.(Year 2006)

• Orator of BDJ de Silva Oration "Risk factors for Chronic Low back pain and their implications for General Practice" – November 2012 of College of general Practitioners of Sri Lanka.
• Karunanayake AL. Introduction to Anatomy of Upper limb and lower limb Joints and Exercise Physiology. IOC –NOC Sports Medicine Course.(2008)
• Karunanayake AL. Therapeutic Use Exemption. IOC –NOC Sports Medicine Course(2010)
• Karunanayake AL. Introduction to Doping. IOC –NOC Sports Medicine Course. 2011 September.
• Karunanayake AL. Introduction to Doping. IOC –NOC Sports Medicine Course. 2012
• Karunanayake AL. Introduction to exercise Physiology. IOC –NOC Sports Medicine Course. 2012
• Karunanayake AL. Introduction to Biomechanics. IOC –NOC Sports Medicine Course. 2012

• Karunanayake AL. Sports Psychology. In: Andraweera N, Gamage P. (ed) Basic Sports Medicine for School Players. Colombo, Faculty of Medicine Sports Association University of Colombo; 2008: 29-30.
• Karunanayake AL. Sports and the mind.Manual of Sports Medicine. Faculty of Medicine Sports Association University of Colombo; 2009: 66-69.
• Karunanayake AL. Hand Book on examination of Spine, upper limb joints and lower limb joints. Published by Godage International Publisher Sri Lanka - 2012
• Karunanayake AL. Anatomy of spine for Undergraduates. 2010. Faculty of Medicine University of Kelaniya

Publications in Peer Reviewed Journals

• Karunanayake AL.. Occupational Health Hazards and Safety Measures. CME Bulletin. Sri Lanka Medical Association, Colombo; (2006).
• Karunanayake AL. Therapeutic Use Exemption. IOC –NOC Sports Medicine Course. (2010)
• Karunanayake AL. Guidelines for Physical Exercise and Prevention of Musculoskeletal Injuries during Sport and Exercise. CME Bulletin. Sri Lanka Medical Association, Colombo; (2015).
• Karunanayake RK, Dissanayake Mohottalage Randima Dissanayake, Karunanayake AL. "A study of snake bite among children presenting to a pediatric ward in the main Teaching Hospital of North Central Province of Sri Lanka" BMC Research Notes 7 (2014):482
• Karunanayake AL. "Risk factors for chronic low back pain in adults: A Case Control Study Done in Sri Lanka". J Pain Relief. 3 (5),(2014) : 1-7.
• Karunanayake AL. Personal, "Environmental and Cultural Barriers for Participation in Physical Exercises" Journal of Vishranthi University of Kelaniya (2013)
• Karunanayake AL. "Introduction to Doping" Journal of Vishranthi.2,(2)(2012): 77 – 83.
• Karunanayake, Aranjan Lionel, and Arunasalam Pathmeswaran "Anatomical Variations of Lumbar Arteries and Their Clinical Implications: A Cadaveric Study" ISRN Anatomy Volume (2013)
• Karunanayake AL, Pathmeswaran A, Kasturiratne A, Wijeyaratne LS. Risk factors for chronic low back pain in a sample of suburban Sri Lankan adult males. International Journal of Rheumatic Diseases 2013; 16(2): 203-10.
• Karunanayake AL, Pinidiyapathirage MJ, Wickremasinghe AR. Prevalence and predictors of osteoporosis in an urban Sri Lankan population. International Journal of Rheumatic Diseases 2010; 13(4): 385-90. [Epub 2010 Aug 23].
• Karunanayake AL, Microscopic features and Age related changes of the lumbar Intervertebral disc Golden Jubilee Commemoration Volume of the University of Kelaniya(2009):524-35
• SMMC Dayarathna, Karunanayake AL "Physical and Psychosocial difficulties of adult Sri Lankan Spinal Cord Injured Patients presenting to a Rehabilitation Centre" Sri Lanka Bulletin of Nursing and allied Health sciences.01,(3)(2009):4-10.
• de Silva AP, Karunanayake AL, Dissanayaka TG, Dassanayake,AS, Duminda HKKJ, Pathmeswaran A, Wickramasinghe AR, de Silva HJ. Osteoporosis in adult Sri Lankan inflammatory bowel disease patients. World Journal of Gastroenterology 2009; 15(28): 3528-31.
• Karunanayake A, Pathmeswaran A, Wijayaratne LS. "Radiological changes of spine in patients with chronic low back ache." Medicine Today 2007; 5(1): 6-9.
• Karunanayake AL, Pathmeswaran A, Wijayaratne, LS. "Risk factors for chronic low backache in adult Sri Lankan females." Medicine Today 2006; 4(1): 4-8.

• Karunanayake AL, Goonawardena IP, Jayasinghe JAP." Merits of exercise in young people" Kandy Society of Medicine, 19th Annual conference. Kandy, February 1997.
• Goonawardena IP, Karunanayake AL, Jayasinghe JAP. "Effects of physical exercise on mental and social health in young Sri Lankans" XXXIII International Congress of Physiological Sciences. St. Petersburg,(1997)
• Karunanayake A.L, Jayasinghe JAP. "Chest expansion range and its correlation with the body mass index in a group of Sinhalese men undergoing medical examination" The Fourth International Medical Congress. Peradeniya Medical School Alumini Association & Faculty of Medicine Peradeniya, Peradeniya, 16th – 18th December1998.
• Karunanayake AL, Wijayarathne LS, Jayasinghe J.A.P. "Predisposing factors for chronic low backache in Sri Lankan adults" Kandy Society of Medicine, 23rd Annual Academic Conference.. Kandy, February 2001.
• Karunanayake AL, Jayasinghe JAP, Wijayaratne LS. "Radiological changes of Sri Lankan adults with chronic low backache" Annual Academic Sessions, Faculty of Medical Sciences, University of Sri Jayawardenapura. Colombo, 27th & 28th July 2001.
• Fernando J, Kodithuwakku L, Senanayake S, Panangala L, Karunanayake AL. "Risk factors of carpal tunnel syndrome in Sri Lanka" International Conference and Annual Scientific Sessions, The College of Surgeons of Sri Lanka. Colombo, 27th August – 1st September 2002.
• Karunanayake AL, Fonseka MMD, Pathmeswaran A, Wijayaratne LS. "Radiological features of chronic low back pain in adult Sri Lankans; A case control study." Sri Lanka Medical Association, 116th Anniversary Academic Sessions. Colombo, 26th – 29th March 2003.
• Karunanayake AL, Jayasinghe JAP, Wijayaratne LS, Pathmeswaran A. "Gross anatomical variations of lumbar vasculature among Sri Lankan adults; A cadaveric study". Sri Lanka Medical Association, 116th Anniversary Academic Sessions. Colombo.26th – 29th March 2003.
• Karunanayake AL, Pathmeswaran A, Wijayaratne LS, Fonseka MMD. " Effect of atherosclerosis on lumbar intervertebral disc cells in a sample of Sri Lankan population: a postmortem study." Sri Lanka Medical Association, 117th Anniversary Academic Sessions. Colombo, March 2004.
• Karunanayake AL, Pathmeswaran A, Seneviratne MBS, Fernando H.R.R." Microscopic features of intervertebral discs removed at surgery in a sample of Sri Lankan population" Proceedings of the Annual Research Symposium of Faculty of Graduate Studies,, University of Kelaniya. Kelaniya, November 2004.
• Karunanayake AL, Pathmeswaran A, Fonseka MMD, Wijayaratne LS. "Association between the intima media thickness of lumbar arteries and the cell density of lumbar intervertebral discs: a post-mortem study among Sri Lankan adults" Sri Lanka Medical Association, 118th Anniversary Academic Sessions. Colombo, March 2005.
• Karunanayake AL, Pathmeswaran A. "Association between changes of lumbar spine and age, physical activity and body mass index in a sample of Sri Lankan population : A descriptive study" Proceedings of the 7th Annual Research Symposium of Faculty of Graduate Studies, University of Kelaniya. Kelaniya, December 2006.
• A.L Karunanayake, L.S.S. Salgado., A. Pathmeswaran. "Comparision of undergraduate student performance in Anatomy practical examination after studying prosected anatomy specimens and after doing anatomy dissections." Proceedings of the 7th Annual Research Symposium of Faculty of Graduate Studies,. University of Kelaniya. Kelaniya, December 2006.
• Karunanayake AL, Pathmeswaran A, Wijayaratne LS. Use of lumbar body antero –posterior to detect vertebral fractures among Sri Lankan patients with low backache. Sri Lanka Medical Association, 120th Annual Scientific Sessions. Colombo, March 2007.
• Karunanayake A.L., Salgado L.S.S., Abeysuriya V., Fernando S., Herath H.M.R.P, Kumarendran B., Premaratna B.A.H.R., Mahawithanage S.T.C. "Prevalence of osteoporosis in a sample of Sri Lankan urban population". Sri Lanka Medical Association, 121sth Annual Scientific Sessions. Colombo, March 2008.
• De Silva AP., Karunanayake AL., Dissanayake TGI, Dassanayake AS, Duminda HKKT, Pathmeswaran A, de Silva HJ." Is osteoporosis more common among adult Sri Lankans with inflammatory bowel disease (IBD) ?" Sri Lanka Medical Association, 121sth Annual Scientific Sessions. Colombo, 19th – 22nd March 2008.
• Karunanayake AL, Salgado LSS, Premaratna BAHR, Fernando S, Herath HMRP, Abeysuriya V, Kumarendran B, Mahavithanage STC." Prevalence of osteoporosis among Sri Lankan adults in Ragama area." Scientific Sessions of the Nutrition Society. Colombo. 25th – 26th January 2008.
• de Silva AP., Karunanayake AL., Dissanayake TGI, Dassanayake AS, Duminda HKKT, Pathmeswaran A, de Silva HJ. "Osteoporosis among adult Sri Lankans with inflammatory bowel disease". 16th United European Gastroenterology Week. Vienna, October 2008.
• Karunanayake AL, Salgado LSS, Premaratna BAHR, Fernando S, Herath HMRP, Abeysuriya V, Kumarendran B, Mahavithanage STC. "Prevalence of osteoporosis and osteopenia in a sample of Sri Lankan adults." Faculty of Graduate Studies, 09th Annual Research Symposium, University of Kelaniya. Kelaniya, December 2008.
• Prevalence and factors associated with osteoporosis in an urban Sri Lankan population Sri Lankan adults." Regional Scientific meeting of the International Epidemiological Association. May 2010
• Wimalaratne S, Mallawarachchi R, Karunanayake AL, Salgado LSS. "An anatomical study on pyramidal lobe of the thyroid gland in Sri Lankan population; Occurrence and Clinical significance. 2010." 11th Annual Research Symposium Faculty of Graduate Studies University of Kelaniya: 133.
• Karunanayake AL, Hasan R, salgado LSS, Salvin KAS, Fernando EDPS, Ranaweera L, de alwis RP, Herath S, Senadipathy C, mahawaththa T, Fernando E, Ilayperuma I. "An anatomical study of the tarsal tunnel: A cadaveric study" Faculty of graduate studies 12th Annual Research Symposium. 3rd &4th November 2011.
• Karunanayake AL, Maalawaracchi GR, Wimalaratne S. "Prevalence of Chronic Musculoskeletal Disorders among adult and adolescent athletes who do weight lifting as a sport in North eastern province of Sri Lanka" Faculty of graduate studies 12th Annual Research Symposium. 3rd &4th November 2011.
• C, Mahawaththa T, Karunanayake AL, Salvin KAS, Fernando EDPS, Ranaweera L, Fernando E, Ilayperuma I, Salgado LSS "Morphology of thyroid gland Senadipathy" Faculty of graduate studies 12th Annual Research Symposium. 3rd &4th November 2011.
• Jayaweera LPEH, Kodithuwakku R, Karunanayake AL, de Alwis DS, Weerasinghe KSM, Punchihewa GL." Radiological outcome after management of comminuted fractures of the distal radius in adult patients: above elbow plaster cast versus distraction plaster cast.Sri Lanka Orthopedic Association annual Academic Sessions. 28th -30th October 2011
• A.L Karunanayake, H.P.S.P. Dharmasena, G.R. Mallawarachchi, S. Wimalaratne "Prevalence of Chronic Musculoskeletal Disorders among Adult and Adolescent Athletes who does weight lifting as a sport in North Eastern province of Sri Lanka" Department of Anatomy, Faculty of Medicine Kelaniya. 25th South Asian clinical Toxicology Research collaboration centre at Polonnaruwa Sri Lanka 2012.
• Rizvi Hasan, Isurani Ilayperuma, Gananadda Nanayakkara, Sujatha Salgadoo, Ranil Fernando, Aranjan Karunanayake, K.A. Salvin, Prasadth Fernando, Lanka Ranaweera, Erasha Fernando, Susantha Vithanage, Prabath Wijesooriya. "Variations in the termination of the human thoracic duct" Presented at Annual Academic sessions of Faculty of Graduate Studies in Ruhuna University Sri Lanka 2012.
• R K Karunanayake1, A L Karunanayake2, DMR Dissanayake3 1Teaching Hospital Sri Jayawardenapura, 2Faculty of Medicine, University of Kelaniya, 3Teaching Hospital Anuradhapura3 Epidemiology, clinical features and management outcome of pediatric snake bite victims in teaching hospital Anuradhapura. Annual Academic sessions, for College of Paediatricians 2013
• G. A. D. Perera1, C. Perera1, A. L. Karunanayake 2 Effectiveness of early stretching exercises for range of motion of the shoulder joint in burnt patients admitted to the burns unit of the National Hospital of Sri Lanka.. Accepted to be presented in Singapore International Physiotherapy congress- 2014 .
• GLRS Perera, Dissanayake VHW, Karunanayake AL, Perera H, Wijayarathna L. Anthropometric patterns among a cohort of patients with chronic mechanical low back pain. Sent for publication in SLMA 127th Anniversary International Medical Congress 2014.
• GLRS Perera, Dissanayake VHW, Karunanayake AL, Perera H, Wijayarathna L. Radiological features of the lumbar spine in a cohort of patients with chronic mechanical low back pain. Sent for publication in SLMA 127th Anniversary International Medical Congress 2014.
• G. A. D. Perera1, C. Perera1, A. L. Karunanayake 2 Effectiveness of early stretching exercises for the quality of functional recovery of the upper limb in burnt patients admitted to the burns unit of the National Hospital of Sri Lanka. Burns and Reconstructive surgical unit, National Hospital of Sri Lanka, Faculty of Medicine, University of Kelaniya, Sri Lanka, International Society of Burn Injuries. In Sydney. 2014 October
• Perera GLRS, Wijayaratne LS, Senarath U, Dissanayake PH, Karunanayake AL, Dissanayake VHW. Prevalence of lumbar spondylolisthesis and associated radiographic features in a cohort of patients with chronic mechanical low back pain. 13th Annual Academic Sessions of Sri Lanka College of Radiologists 2014. August 29-31, 2014 (Abstracted in the Proceedings of the Conference: 46)
• Anatomical variations of the common peroneal nerve (cpn) and the deep pereoneal nerve (dpn) in the lateral compartment of the leg: a cadaveric study. college of surgeons annual academic sessions - 2015

• Editor in Chief Sri Lanka Sports Medicine Association from 2012 to 2013
• In Editorial Board of the Journal of International Achieves of Nursing and health Care