The<unk>  are conditions that may arise after<unk> , walking, or running for<unk>  periods. Many of the<unk>  come from<unk><unk>  (more than 60% of a work day) that is repeated several times a week. Many jobs require<unk><unk> , such as "retail staff, baristas, bartenders, assembly line workers, security staff, engineers, catering staff, library assistants, hair stylists and laboratory technicians". The basic physiological change that occurs in the body during<unk><unk>  or sudden stand from supine position is that there will be increased pooling of blood in leg, which decreases the venous return and so there will be decreased cardiac output, which ultimately causes systolic Blood pressure to fall (hypotension). This hypotension may lead the subject to faint or to have other symptoms of hypotension.<unk>  requires about 10% more energy than sitting.
Complications of prolonged standing
Ischemia-reperfusion injury of the appendicular musculoskeletal system
Congenital vertebral anomaly
Ligamentous laxity
Intermittent hydrarthrosis
Shoulder injury related to vaccine administration
Anterior vertebral body tethering
Ergogenic use of anabolic steroids