Introduction An isometric exercise device is a device used to exercise most body parts including the wrist and is often used as part of physical therapy or in order to build muscle strength in a low impact manner. Devices can range in size from large bulky machines used by physicians to small hand-held devices that… Read More
Introduction “Dynamic Tension” is the name Charles Atlas gave to the system of physical exercises that he first popularised in the 1920s. Dynamic Tension is a self-resistance exercise method which pits muscle against muscle. The practitioner tenses the muscles of a given body part and then moves the body part against the tension as if… Read More
Introduction An isometric exercise is an exercise involving the static contraction of a muscle without any visible movement in the angle of the joint. The term “isometric” combines the Greek words isos (equal) and -metria (measuring), meaning that in these exercises the length of the muscle and the angle of the joint do not change,… Read More
Introduction The Armstrong limit or Armstrong’s line is a measure of altitude above which atmospheric pressure is sufficiently low that water boils at the normal temperature of the human body. Exposure to pressure below this limit results in a rapid loss of consciousness, followed by a series of changes to cardiovascular and neurological functions, and… Read More
Introduction The Kármán line (or von Kármán line) is a conventional definition of the edge of space. It is not universally accepted. The international record-keeping body FAI (Fédération aéronautique internationale) defines the Kármán line at an altitude of 100 kilometres (54 nautical miles; 62 miles; 330,000 feet) above mean sea level. Refer to Armstrong Limit.… Read More
Introduction The military has always been a testing ground for strong leaders. One key aspect of this development is physical fitness training. Not is this a tough and physical style of workout, it also shapes strong minds and characters. Military fitness goes beyond basic exercise. It includes intense workouts, team challenges, and gruelling endurance tests.… Read More
Introduction In the modern workplace, where sedentary behaviour is becoming the norm with evidence suggesting that office-based workers spend up to 82% of their day sitting – so finding ways to incorporate physical activity into the workday is essential. Walking pads and under-desk treadmills offer practical solutions to enhance workplace health by allowing employees to… Read More
