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A silver Peruvian atlatl from the 12th-15th century Atlatl in use. A spear-thrower, spear-throwing lever, or atlatl (pronounced / ˈ æ t l æ t əl / ⓘ [1] or / ˈ ɑː t l ɑː t əl /; [2] Nahuatl ahtlatl [ˈaʔt͡ɬat͡ɬ]) is a tool that uses leverage to achieve greater velocity in dart or javelin-throwing, and includes a bearing surface that allows the user to store energy during the ...
A Swiss arrow [1] (also known as a Yorkshire arrow, Dutch arrow, Scotch arrow, or Gypsy arrow) is a type of enlarged dart in the shape of an arrow that is thrown with the aid of a lanyard, which is retained by a small notch close to the fletching. It is very similar to an amentum and uses the same throwing principle as a spear-thrower.
Stability in flight was important because it allowed the javelin to land on its point, which was the only way the throw could be accurately recorded in competition or be useful against a live target. An amentum also increased the effective length of the throwing arm, as does a spear-thrower, so enhanced speed. It is very similar to the Swiss arrow.
Depending on your height, you'll want to use a dart that's about a foot taller than you are for better accuracy. Using an atlatl can be easy. Hitting a target is another story.
A woomera is an Australian Aboriginal wooden spear-throwing device. [1] [2] [3] Similar to an atlatl, it serves as an extension of the human arm, enabling a spear to travel at a greater speed and force than possible with only the arm.
العربية; Asturianu; Башҡортса; Беларуская; Беларуская (тарашкевіца) Català; Чӑвашла; Čeština; Dansk
The first characteristic of behavioral sport psychology involves identifying target behaviors of athletes and coaches to be improved, defining those behaviors in a way so that they can be reliably measured, and using changes in the behavioral measure as the best indicator of the extent to which the recipient of an intervention is being helped ...
Behaviorism is a systematic approach to understand the behavior of humans and other animals. [1] [2] It assumes that behavior is either a reflex elicited by the pairing of certain antecedent stimuli in the environment, or a consequence of that individual's history, including especially reinforcement and punishment contingencies, together with the individual's current motivational state and ...