Poznan University Of Physical Education

This trial investigates whether beetroot juice (rich in dietary nitrate) and caffeine, taken alone or together, can improve exercise performance in two groups of athletes: adult functional fitness competitors and elite junior swimmers. Using a double-blind, placebo-controlled cro…

This study tests whether pelvic floor muscle training (PFMT) with a handheld biofeedback device can improve erectile function and sexual quality of life in men with functional hypogonadism (low testosterone) and erectile dysfunction. Participants are randomly assigned to PFMT wit…

This study looks at how a basketball-style interval workout affects metabolism, inflammation, and fatigue in female basketball players aged 16 to 22. Participants will do a standardized shuttle-run test designed to mimic game demands, with blood samples and reaction-time checks t…

This study asks whether simply believing you've taken caffeine can improve physical and mental performance, even when you've actually received a placebo. Healthy adults aged 20–30 will complete four cycling sessions, sometimes getting real caffeine and sometimes a dummy pill, whi…

This study explores whether believing you've taken caffeine can improve physical performance in real-world sports settings. Healthy, physically active adults will be randomly assigned to receive caffeine, a placebo (starch capsule), or no treatment, then perform sport-specific ex…

This study investigates whether different types of exercise can help middle-aged women reduce their body burden of PFAS (environmental chemicals) and improve muscle function. Participants will be assigned to either interval walking or high-intensity circuit training for six month…

This observational study looks at how intense rowing exercise changes the body at a molecular and physiological level in 30 elite young rowers. Participants will perform two different rowing tests, and researchers will measure blood markers, gene activity, and other indicators be…

This study explores whether inflammation from fat tissue around the spine contributes to spinal stenosis, a condition that narrows the spinal canal and causes pain. Researchers will collect tissue and blood samples from 100 patients undergoing spinal surgery to measure levels of …