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X-ray image of a chest strap (left: frontal view; right: side view). Visible is the circuit board, the antenna for data transfer, the battery and the connections to the electrodes in the adjoining belt at picture top and bottom. Modern heart rate monitors commonly use one of two different methods to record heart signals (electrical and optical).
Polar Electro Oy (commonly known as Polar) is a Finnish manufacturer of sports training computers, particularly known for developing the world's first wireless heart rate monitor. [ 1 ] The company is based in Kempele , Finland and was founded in 1977.
The M-series include the basic heart monitors M1 and M2 (same watch, different heart rate strap) and M4 and M5 with more advanced functions, most of which electronic coaching for specific goals, such as weight control or improving physical performance. M4 went out of production in 2013. Suunto Quest is a heart rate monitor aimed at sports training.
The breast collar is a wide padded strap that passes around the front of the horse's chest. A neck strap goes over the neck to raise or lower the position of the breast collar—low enough to stay clear of the horse's windpipe, and high enough that it doesn't rub on the points of the shoulder.
Holsters vary in the degree to which they secure or protect the firearm. Some holsters for law enforcement officers have a strap over the top of the holster to make the handgun less likely to fall out of the holster or harder for another person to grab the gun. Some holsters have a flap over the top to protect the gun from the elements.
Pediatric advanced life support (PALS) is a course offered by the American Heart Association (AHA) for health care providers who take care of children and infants in the emergency room, critical care and intensive care units in the hospital, and out of hospital (emergency medical services (EMS)).
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USS Lewis B. Puller (ESB-3), (formerly USNS Lewis B. Puller (T-ESB-3), and (T-MLP-3/T-AFSB-1) prior to that) [17] [18] is the first purpose-built expeditionary mobile base vessel (previously classified as a mobile landing platform, and then as an afloat forward staging base) for the United States Navy, and the second ship to be named in honor of Chesty Puller.