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Power Training
Power training typically involves exercises which apply the maximum amount of force as fast as possible; on the basis that strength + speed = power. Jumping with weights or throwing weights are two examples of power training exercises. Regular weight training exercises such as the clean and jerk and power clean may also be considered as being power training exercises due to the explosive speed required to complete the lifts. Power training may also involve contrasting exercises such as heavy lifts and plyometrics, known as complex training, in an attempt to combine the maximal lifting exertions with dynamic movements. This combination of a high strength exercise with a high speed exercise may lead to an increased ability to apply power. Power training frequently specifically utilises two physiological processes which increase in conjunction with one another during exercise. These are deep breathing, which results in increased intra-abdominal pressure; and post-activation potentation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Box Jump Power Training
A box (plural: boxes) is a container used for the storage or transportation of its contents. Most boxes have flat, parallel, rectangular sides. Boxes can be very small (like a matchbox) or very large (like a shipping box for furniture), and can be used for a variety of purposes from functional to decorative. Boxes may be made of a variety of materials, both durable, such as wood and metal; and non-durable, such as corrugated fiberboard and paperboard. Corrugated metal boxes are commonly used as shipping containers. Most commonly, boxes have flat, parallel, rectangular sides, making them rectangular prisms; but boxes may also have other shapes. Rectangular prisms are often referred to colloquially as "boxes." Boxes may be closed and shut with flaps, doors, or a separate lid. They can be secured shut with adhesives, tapes, or more decorative or elaborately functional mechanisms, such as a catch, clasp or lock. Types Packaging Several types of boxes are used in packaging and s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Accelerometer
An accelerometer is a tool that measures proper acceleration. Proper acceleration is the acceleration (the rate of change of velocity) of a body in its own instantaneous rest frame; this is different from coordinate acceleration, which is acceleration in a fixed coordinate system. For example, an accelerometer at rest on the surface of the Earth will measure an acceleration due to Earth's gravity, straight upwards (by definition) of g ≈ 9.81 m/s2. By contrast, accelerometers in free fall (falling toward the center of the Earth at a rate of about 9.81 m/s2) will measure zero. Accelerometers have many uses in industry and science. Highly sensitive accelerometers are used in inertial navigation systems for aircraft and missiles. Vibration in rotating machines is monitored by accelerometers. They are used in tablet computers and digital cameras so that images on screens are always displayed upright. In unmanned aerial vehicles, accelerometers help to stabilise flight. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Breathing
Breathing (or ventilation) is the process of moving air into and from the lungs to facilitate gas exchange with the internal environment, mostly to flush out carbon dioxide and bring in oxygen. All aerobic creatures need oxygen for cellular respiration, which extracts energy from the reaction of oxygen with molecules derived from food and produces carbon dioxide as a waste product. Breathing, or "external respiration", brings air into the lungs where gas exchange takes place in the alveoli through diffusion. The body's circulatory system transports these gases to and from the cells, where "cellular respiration" takes place. The breathing of all vertebrates with lungs consists of repetitive cycles of inhalation and exhalation through a highly branched system of tubes or airways which lead from the nose to the alveoli. The number of respiratory cycles per minute is the breathing or respiratory rate, and is one of the four primary vital signs of life. Under normal conditions t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swimming
Swimming is the self-propulsion of a person through water, or other liquid, usually for recreation, sport, exercise, or survival. Locomotion is achieved through coordinated movement of the limbs and the body to achieve hydrodynamic thrust that results in directional motion. Humans can hold their breath underwater and undertake rudimentary locomotive swimming within weeks of birth, as a survival response. Swimming is consistently among the top public recreational activities, and in some countries, swimming lessons are a compulsory part of the educational curriculum. As a formalized sport, swimming is featured in a range of local, national, and international competitions, including every modern Summer Olympics. Swimming involves repeated motions known as strokes in order to propel the body forward. While the front crawl, also known as freestyle, is widely regarded as the fastest out of four primary strokes, other strokes are practiced for special purposes, such as for training. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cycling
Cycling, also, when on a two-wheeled bicycle, called bicycling or biking, is the use of cycles for transport, recreation, exercise or sport. People engaged in cycling are referred to as "cyclists", "bicyclists", or "bikers". Apart from two-wheeled bicycles, "cycling" also includes the riding of unicycles, tricycles, quadricycles, recumbent and similar human-powered vehicles (HPVs). Bicycles were introduced in the 19th century and now number approximately one billion worldwide. They are the principal means of transportation in many parts of the world, especially in densely populated European cities. Cycling is widely regarded as an effective and efficient mode of transportation optimal for short to moderate distances. Bicycles provide numerous possible benefits in comparison with motor vehicles, including the sustained physical exercise involved in cycling, easier parking, increased maneuverability, and access to roads, bike paths and rural trails. Cycling also offers a r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sprint (running)
Sprinting is running over a short distance at the top-most speed of the body in a limited period of time. It is used in many sports that incorporate running, typically as a way of quickly reaching a target or goal, or avoiding or catching an opponent. Human physiology dictates that a runner's near-top speed cannot be maintained for more than 30–35 seconds due to the depletion of phosphocreatine stores in muscles, and perhaps secondarily to excessive metabolic acidosis as a result of anaerobic glycolysis. In athletics and track and field, sprints (or dashes) are races over short distances. They are among the oldest running competitions, being recorded at the Ancient Olympic Games. Three sprints are currently held at the modern Summer Olympics and outdoor World Championships: the 100 metres, 200 metres, and 400 metres. At the professional level, sprinters begin the race by assuming a crouching position in the starting blocks before driving forward and gradually moving into an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Somersaults
A somersault (also ''flip'', ''heli'', and in gymnastics ''salto'') is an acrobatic exercise in which a person's body rotates 360° around a horizontal axis with the feet passing over the head. A somersault can be performed forwards, backwards or sideways and can be executed in the air or on the ground. When performed on the ground, it is typically called a roll. Types Body positions Somersault may be performed with different positions, including tucked, piked (bent at the hips), straddled, and layout (straight body). Direction The sport of tumbling does not require participants to combine both front and back elements, and most tumblers prefer back tumbling as it is easier to build momentum. Arabian saltos begin backwards, continue with a half twist to forwards, and end with one or more saltos forwards. They can be trained by beginning with an Arabian dive roll and adding a front salto to it. They are counted as front tumbling in women's artistic gymnastics and back tu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dance
Dance is a performing art form consisting of sequences of movement, either improvised or purposefully selected. This movement has aesthetic and often symbolic value. Dance can be categorized and described by its choreography, by its repertoire of movements, or by its historical period or place of origin. An important distinction is to be drawn between the contexts of theatrical and participatory dance, although these two categories are not always completely separate; both may have special functions, whether social, ceremonial, competitive, erotic, martial, or sacred/liturgical. Other forms of human movement are sometimes said to have a dance-like quality, including martial arts, gymnastics, cheerleading, figure skating, synchronized swimming, marching bands, and many other forms of athletics. There are many professional athletes like, professional football players and soccer players, who take dance classes to help with their skills. To be more specific professional athlet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vault (gymnastics)
The vault is an artistic gymnastics apparatus which gymnasts perform on, as well as the skill performed using that apparatus. Vaulting is also the action of performing a vault. Both male and female gymnasts perform the vault. The English abbreviation for the event in gymnastics scoring is VT. The apparatus Early forms of the vault were invented by German Friedrich Ludwig Jahn. The apparatus itself originated as a "horse", much like the pommel horse but without the handles; it was sometimes known as the vaulting horse. The horse was set up with its long dimension perpendicular to the run for women, and parallel for men.What's With That Weird New Vault? an August 2004 "Explainer" article from '''' [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parallel Bars
Parallel bars are floor apparatus consisting of two wooden bars slightly over long and positioned at roughly head height. Parallel bars are used in artistic gymnastics and also for physical therapy and home exercise. Gymnasts may optionally wear grips when performing a routine on the parallel bars, although this is uncommon. Apparatus The apparatus consists of two parallel bars that are held parallel to, and elevated above, the floor by a metal supporting framework. The bars are composed of wood or other material, with an outer coating of wood. The vertical members of the supporting framework are adjustable so the height of the bars above the floor and distance between the bars can be set optimally for each gymnast. Dimensions *Bar length: ± *Bar rounded profile: ± vertical by ± horizontal *Bar width: ± *Height of bar from floor: ± *Distance between bars: – (adjustable) History The parallel bars (in German ''Barren'') were invented by Friedrich Ludwi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rings (gymnastics)
The rings, also known as still rings (in contrast to flying rings), is an artistic gymnastics apparatus and the event that uses it. It is traditionally used only by male gymnasts, due to its extreme upper body strength requirements. Gymnasts often wear ring grips while performing. The apparatus The apparatus consists of two rings that hang freely from a rigid metal frame. Each ring is supported by a strap, which in turn connects to a steel cable that is suspended from the metal frame. The gymnast, who grips one ring with each hand, must control the movement of the rings and his or her body movements at all times. Dimensions The measurements of the standard apparatus are specified by Fédération Internationale de Gymnastique (FIG) in its ''Apparatus Norms'' document: * Inner diameter: ± * Diameter of profile: ± * Distance from point of attachment to lower inner side of the rings: ± * Distance between two points of attachment: ± Routines An exercise on rings ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pommel Horse
The pommel horse is an artistic gymnastics apparatus. Traditionally, it is used by only male gymnasts. Originally made of a metal frame with a wooden body and a leather cover, the modern pommel horse has a metal body covered with foam rubber and leather, with plastic handles (or pommels). Apparatus History The apparatus originates from the Romans, who used wooden horses to teach mounting and dismounting. They later added it to the ancient Olympic Games. The basic modern exercises were developed in the early 19th century by Friedrich Ludwig Jahn, founder of the German Turnverein. Dimensions Measurements of the apparatus are published by the Fédération Internationale de Gymnastique (FIG) in the ''Apparatus Norms'' brochure. * Height from top surface to floor: ± * Length at top: ± * Length at bottom: ± * Width at top: ± * Width at bottom: ± * Height of the pommels: ± * Distance between the pommels: – (adjustable) Routines A typical pommel hors ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
