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MD · MSc Medical

50 MD Physiology Thesis Topics

Academic session 2026-2027  · 50 topics

This page lists 50 physiology thesis topics for MD and MSc Medical candidates in India for the 2026-2027 academic session. Physiology research is done on living participants using non-invasive measurement, which makes it unusually clean to plan: the equipment is already in the departmental laboratory and the measurement takes an hour rather than a hospital admission.

The physiology thesis topics below use spirometry, autonomic function testing, cardiovascular response measurement, reaction time and cognitive testing, and validated questionnaires. They cover cardiovascular autonomic function, respiratory physiology, exercise and fitness, obesity and metabolic status, neurophysiology, sleep, reproductive physiology, and the effect of yoga and lifestyle interventions.

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  1. A comparative study of cardiovascular autonomic function between patients with type 2 diabetes mellitus and healthy controlsGet protocol
  2. A cross-sectional study of heart rate variability parameters and their correlation with body mass index in young adultsGet protocol
  3. An observational study of the cardiovascular response to isometric handgrip exercise in healthy volunteersGet protocol
  4. A comparative study of blood pressure response to cold pressor testing between offspring of hypertensive and normotensive parentsGet protocol
  5. A study of heart rate variability in patients with hypothyroidism compared with matched controlsGet protocol
  6. An observational study of orthostatic tolerance and blood pressure response in healthy young adultsGet protocol
  7. A comparative study of autonomic function parameters between smokers and non-smokersGet protocol
  8. A cross-sectional study of cardiovascular autonomic reactivity across age groups in healthy adultsGet protocol
  9. A cross-sectional study of pulmonary function parameters in healthy adults and their anthropometric correlatesGet protocol
  10. A comparative study of spirometric parameters between individuals exposed to biomass fuel smoke and unexposed controlsGet protocol
  11. An observational study of pulmonary function in patients with type 2 diabetes mellitus compared with healthy controlsGet protocol
  12. A study of respiratory muscle strength measured by maximal inspiratory and expiratory pressures in healthy adultsGet protocol
  13. A comparative study of pulmonary function parameters between obese and normal weight young adultsGet protocol
  14. An observational study of the effect of posture on spirometric parameters in healthy volunteersGet protocol
  15. A cross-sectional study of peak expiratory flow rate and its determinants in adolescentsGet protocol
  16. A comparative study of cardiorespiratory fitness assessed by a submaximal exercise test between physically active and sedentary adultsGet protocol
  17. An observational study of the recovery of heart rate and blood pressure following graded exercise in young adultsGet protocol
  18. A study of exercise capacity assessed by the six minute walk test and its anthropometric correlates in healthy adultsGet protocol
  19. A comparative study of physiological responses to exercise between individuals with different body composition profilesGet protocol
  20. An observational study of perceived exertion and physiological parameters during submaximal exerciseGet protocol
  21. A cross-sectional study of physical activity levels assessed by a validated questionnaire and their physiological correlatesGet protocol
  22. A cross-sectional study of body composition parameters and their association with cardiovascular risk indices in young adultsGet protocol
  23. A comparative study of resting metabolic parameters between obese and normal weight individualsGet protocol
  24. An observational study of the association between waist circumference and cardiovascular autonomic functionGet protocol
  25. A study of the physiological differences between individuals with normal weight obesity and healthy controlsGet protocol
  26. A comparative study of physiological parameters between offspring of individuals with and without type 2 diabetes mellitusGet protocol
  27. A cross-sectional study of the association between body mass index and pulmonary function in adultsGet protocol
  28. A comparative study of auditory and visual reaction time between young and middle-aged adultsGet protocol
  29. A cross-sectional study of reaction time and its correlation with body mass index in young adultsGet protocol
  30. An observational study of the effect of sleep deprivation on reaction time and cognitive performance in volunteersGet protocol
  31. A comparative study of nerve conduction parameters between patients with type 2 diabetes mellitus and healthy controlsGet protocol
  32. A study of cognitive function assessed by a validated instrument and its physiological correlates in adultsGet protocol
  33. An observational study of visual evoked potential parameters in healthy adults across age groupsGet protocol
  34. A comparative study of cortical excitability parameters between defined groups of healthy volunteersGet protocol
  35. A cross-sectional study of sleep quality assessed by a validated index and its physiological correlates in studentsGet protocol
  36. An observational study of daytime sleepiness and its association with academic performance in medical studentsGet protocol
  37. A comparative study of autonomic function between individuals with good and poor sleep qualityGet protocol
  38. A study of the association between screen exposure before sleep and sleep parameters in young adultsGet protocol
  39. A comparative study of physiological parameters across the phases of the menstrual cycle in healthy womenGet protocol
  40. A cross-sectional study of cardiovascular autonomic function in postmenopausal women compared with premenopausal womenGet protocol
  41. An observational study of pulmonary function parameters during pregnancy compared with non-pregnant controlsGet protocol
  42. A study of the physiological correlates of dysmenorrhoea in young womenGet protocol
  43. An observational study of the effect of a structured yoga programme on cardiovascular autonomic parametersGet protocol
  44. A comparative study of pulmonary function before and after a defined period of breathing exercise trainingGet protocol
  45. A study of the effect of a structured physical training programme on cardiorespiratory fitness in sedentary adultsGet protocol
  46. An observational study of perceived stress and its physiological correlates among medical studentsGet protocol
  47. A comparative study of physiological parameters between practitioners and non-practitioners of regular physical exerciseGet protocol
  48. A cross-sectional study of haemoglobin concentration and its association with physical work capacity in young adultsGet protocol
  49. A comparative study of haematological parameters between individuals residing at different altitudesGet protocol
  50. An observational study of the physiological effects of acute dehydration on cardiovascular parameters in volunteersGet protocol

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Choosing a MD Physiology thesis topic

Who are the participants in a physiology thesis?

Usually healthy volunteers, often medical students or staff, compared against a defined group with a condition of interest. That comparison structure is the backbone of most physiology theses. Where students are recruited, ethics committees examine consent carefully because of the teacher-student relationship, and the protocol should state that participation is voluntary, that refusal carries no academic consequence, and that the investigator will not know who declined.

What equipment does a physiology thesis usually need?

Almost always what the department already owns: a spirometer, a polygraph or autonomic function analyser, a treadmill or ergometer, a reaction time apparatus and a sphygmomanometer. Choosing a topic around existing equipment is the single strongest predictor of finishing on time. Studies requiring biochemical assays add both cost and a dependency on another department, and both should be confirmed before the protocol is written.

Can an intervention be studied in a physiology thesis?

Yes, where the intervention is safe and non-pharmacological. Yoga, breathing exercises, structured physical training and sleep hygiene programmes are all commonly studied over eight to twelve weeks, with measurements before and after. Attrition is the main practical risk, since volunteers drift away from unpaid programmes, so the sample size should allow for it and the protocol should describe how adherence will be recorded.

Thesis and protocol questions

How is a thesis topic different from a thesis protocol?

The topic is the title — the question a study sets out to answer, together with the population and the design. The protocol is the full document built around it: background, review of literature, aims and objectives, inclusion and exclusion criteria, sample size calculation, methodology, statistical plan, ethics considerations, consent documents and references. A topic is agreed with a guide first; the protocol is written afterwards and submitted to the institutional ethics committee.

When does a postgraduate thesis have to be submitted?

For most Indian postgraduate programmes the protocol is submitted within the first six months of joining, and the completed thesis is submitted at least six months before the final examination. Exact deadlines are set by the university, so the departmental circular for the current session takes precedence over any general timeline.

How is sample size decided for a postgraduate thesis?

Sample size follows from the primary objective, not the other way round. A prevalence study is powered from an expected proportion and an acceptable margin of error; a comparative study is powered from the expected difference between groups, the standard deviation, alpha and desired power. The figure should then be checked against the institution's actual case load for the study period, because a statistically ideal sample that cannot be recruited in the time available is not a workable plan.

Does a thesis topic need ethics committee approval?

Yes. Every postgraduate thesis involving human participants, human data or human samples requires clearance from the institutional ethics committee before data collection begins. Approval is granted on the protocol rather than on the title, and the submission usually includes the protocol, the participant information sheet and the consent form in English and in the local language.

What makes a topic realistic for a three-year postgraduate programme?

A workable topic can be completed at a single centre, with equipment and investigations that are already available in routine practice, within roughly eighteen months of data collection. Topics that depend on external funding, specialised assays, multicentre coordination or long follow-up tend to stall. Choosing a condition the department already sees in volume matters more than choosing a novel one.

Can a thesis be published as a research paper afterwards?

Yes, and it is generally expected. A thesis is usually condensed into a paper of around three to four thousand words, restructured into the standard introduction, methods, results and discussion format, with the review of literature shortened considerably. Journals differ in their requirements, and the ethics approval number from the original thesis is normally cited in the methods section.

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