Infrapatellar bursitis occurs when one or both of the bursa sacs inside the knee become irritated and inflamed resulting in swelling and knee pain. A bursa is a sac of synovial fluid, rich in protein and collagen.
In biology, motility is the ability of organisms and fluid to move or get around. A microbiologist might test and compare the motility of various single-celled organisms. An easy way to remember that motility means the ability to move without help is the mot- at the root of the word. It's the same root that's found in motor, which is, of course, the engine that drives a car. If you've got good motility then your motor is working.
Motility studies of the anorectum and pelvis in patients with fecal incontinence allow the physician to test muscle strength and nerve sensitivity. 1  Anal/rectal manometry â Using a perfused catheter, the pressure and sensation in the anus and rectum are measured in addition to measuring pelvic floor coordination.