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Compression of solids has many implications in materials science, physics and structural engineering, for compression yields noticeable amounts of stress and tension. By inducing compression, mechanical properties such as compressive strength or modulus of elasticity , can be measured.
Tensegrity, tensional integrity or floating compression is a structural principle based on a system of isolated components under compression inside a network of continuous tension, and arranged in such a way that the compressed members (usually bars or struts) do not touch each other while the prestressed tensioned members (usually cables or tendons) delineate the system spatially.
General fitness training may be used to promote weight loss. Personal trainers construct a program centered on restructuring lifestyle while helping to provide the necessary motivation for its success. General fitness training can also be used to promote toning or building of muscles, which are essentially the same physiological process.
In physics, Hooke's law is an empirical law which states that the force (F) needed to extend or compress a spring by some distance (x) scales linearly with respect to that distance—that is, F s = kx, where k is a constant factor characteristic of the spring (i.e., its stiffness), and x is small compared to the total possible deformation of the spring.
The Oxford English Dictionary describes callisthenics as "gymnastic exercises to achieve fitness and grace of movement". [2] The word calisthenics comes from the ancient Greek words κάλλος (kállos), which means "beauty", and σθένος (sthenos), meaning "strength". [2] It is the art of using one's body weight as resistance to develop ...
In Making the American Body: The Remarkable Saga of the Men and Women Whose Feats, Feuds, and Passions Shaped Fitness History (2013) Crego, Robert. Sports and Games of the 18th and 19th Centuries (2003) Freeman, Mark. Sport, Health and the Body in the History of Physical Education (Routledge, 2015). Gardinier, E. Norman.
In geology, the term compression refers to a set of stresses directed toward the center of a rock mass. Compressive strength refers to the maximum amount of compressive stress that can be applied to a material before failure occurs.
These are known as "planche push-ups". To do this variation, the body's center of gravity must be kept over the hands while performing the push-up by leaning forward while the legs are elevated in the air, which requires great strength and a high level of balance. The entire body weight is lifted in this variation.