MUSCLE STRENGTH

This study tests whether a single injection of bupivacaine liposome into the adductor canal can preserve leg muscle strength after total knee replacement, compared to a continuous nerve block with a catheter. Eighty patients aged 60-75 will be randomly assigned to one of the two …

This observational study will examine whether ultrasound images of muscles can predict strength in 300 healthy adults aged 18 to 89. Participants will have ultrasound scans of their thigh and forearm muscles, plus strength tests and questionnaires. The goal is to find simple, non…

This study will measure leg and handgrip strength in about 2,800 healthy adults and people with chronic lung diseases across Spain, Portugal, and Italy. Researchers want to create normal muscle strength values for these populations and see if the same standards can apply to peopl…

This study looks at how different phases of the menstrual cycle relate to muscle strength and physical performance in healthy, active women aged 18 to 35. Participants will track their cycle with a phone app and attend three lab visits for strength tests and body measurements. Th…

This study looks at how taking caffeine in different ways—daily low doses, gradually increasing doses, or only on workout days—affects muscle growth and strength in 180 young men who don't normally drink caffeine or exercise with weights. Participants will follow two 4-week super…

This study looks at ankle strength and balance in 9-10-year-old ice hockey players compared to kids who don't play organized sports. Researchers will measure how strong and accurate each child's ankle movements are using simple devices. The goal is to find differences that might …

This study looks at how jumping ability, balance, muscle strength, flexibility, and foot shape are related in artistic gymnasts aged 7 to 12. Researchers will measure these traits in 25 gymnasts without any treatment or exercise program. The goal is to better understand how these…