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A medicine ball (also known as an exercise ball, a med ball, or a fitness ball) is a weighted ball whose diameter is about a shoulder-width (approx. 350 mm (13.7 in)), often used for rehabilitation and strength training. [1] The medicine ball also serves an important role in the field of sports medicine to improve strength and neuromuscular ...
Hoover ball is a medicine ball game invented by President Herbert Hoover's personal physician, Medal of Honor recipient Joel T. Boone, to help keep then-President Hoover fit. The Hoover Presidential Library Association and the city of West Branch , Iowa co-host a national championship each year.
An exercise ball is a ball constructed of soft elastic, typically in 5 diameters of 10 cm increments, from 35 to 85 cm (14 to 33 in), and filled with air. The air pressure is changed by removing a valve stem and either filling with air or letting the ball deflate.
An average user should be able to start with a 45 mm (1.8 in) ball and move up to 60 mm (2.4 in) as their muscles get accustomed to the exercise. Larger Baoding balls between 70 mm and 100 mm (2.8 in to 3.9 in) can be used. Keeping larger balls separate while rotating them is an advanced skill.
In 1858 Dr. M. Sales Giron invented the first pressurized inhaler. Amphetamine was first synthesized in 1887 in Germany by Romanian chemist Lazăr Edeleanu who named it phenylisopropylamine ; [ 23 ] [ 24 ] [ 25 ] its stimulant effects remained unknown until 1927, when it was independently resynthesized by Gordon Alles and reported to have ...
A 12th-century manuscript of the Hippocratic Oath in Greek, one of the most famous aspects of classical medicine that carried into later eras. The history of medicine is both a study of medicine throughout history as well as a multidisciplinary field of study that seeks to explore and understand medical practices, both past and present, throughout human societies.
The Cambridge Illustrated History of Medicine (2001) excerpt and text search excerpt and text search; Singer, Charles, and E. Ashworth Underwood. A Short History of Medicine (2nd ed. 1962) Watts, Sheldon. Disease and Medicine in World History (2003), 166pp online Archived 26 September 2017 at the Wayback Machine
The Mayan ballgame of Pitz is believed to be the first ball sport, as it was first played around 2500 BC. There are artifacts and structures that suggest that the Chinese engaged in sporting activities as early as 2000 BCE. [22] Gymnastics appears to have been a popular sport in China's ancient past.