push arm
31rocker arm — noun a lever pivoted at the center; used especially to push a valve down in an internal combustion engine • Syn: ↑valve rocker • Hypernyms: ↑lever …
32Mine roller — A US Army Panther mine clearing variant of the M60 Patton tank. It is fitted with mine rollers and operated by remote control. A mine roller or mine trawl is a demining device mounted on a tank or armoured personnel carrier, designed to detonate… …
33pushup — push·up (po͝oshʹŭp ) n. An exercise for strengthening arm muscles performed by lying face down with the palms on the floor, and pushing the body up and down with the arms. * * * …
34Kimarite — (決まり手 kimari te) are winning techniques in a sumo bout. For each bout in a Grand Sumo tournament (or honbasho), a sumo referee, or gyoji, will decide and announce the type of kimarite used by the winner. It is possible, or kanou (although rare,… …
35Doug Pruden — proudly displaying two world records: 677 one armed back of the hand push ups in one hour and 1781 back of the hand push ups in one hour (2005) Doug Pruden of Canada holds or held nine world records in push ups, and holds thirteen Canadian… …
36Butterfly stroke — Overhead shot of a swimmer performing the butterfly stroke. The butterfly (colloquially among swimmers known as fly) is a swimming stroke swum on the breast, with both arms moving simultaneously. The butterfly kick was developed separately, and… …
37Flying disc techniques — Flying discs (including Frisbees) can be thrown in many ways. All involve spinning the disc to give it gyroscopic stability, and accelerating its mass to a certain velocity. Without spin, a disc will wobble and fall; without velocity, the disc… …
38Backstroke — The backstroke, also sometimes called the back crawl, is one of the four swimming styles regulated by FINA, and the only regulated style swum on the back. This has the advantage of easy breathing, but the disadvantage of the swimmer not being… …
39Front crawl — Swimmer breathing during front crawl The front crawl, forward crawl, or freestyle is a swimming stroke usually regarded as the fastest of the four front primary strokes. As such, the front crawl stroke is nearly universally used during a… …
40Mobile operating system — A mobile operating system, also known as a mobile OS, mobile software platform or a handheld operating system, is the operating system that controls a mobile device or information appliance similar in principle to an operating system such as… …
