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A barbell or a set of dumbbells are used in conjunction with the bicep bomber to give the weight lifter an effective workout. The lifter will decide how much weight to lift, as long as it is within the recommended weight limits of the bicep bomber. Once the weight has been loaded on the barbell or on the dumbbells, the lifter will get into proper position by resting the back of his arms against the contoured part of the belt. The arms will hang down in the starting position with the palms of the hands facing outward. The lifter will then perform a bicep curl as normal.
The benefits of using the bicep bomber range from encouraging proper technique to preventing injury. Many lifters who perform biceps curls often perform the motion incorrectly, increasing the likelihood of injury. Improper technique can also prevent the lifter from making noticeable gains in muscle development, as improper form is unlikely to strengthen the muscles properly. Injuries such as muscle strains or tears are also more likely when the lifter performs a bicep curl incorrectly, which can lead to long lasting problems and stalls in workout programs.
Some lifters find the bicep bomber difficult to use because the waist belt can place extra pressure on the stomach, making breathing difficult. Other lifters contend that the system should not be necessary if the lifter is lifting the appropriate amount of weight for his or her ability levels, and if that lifter pays attention to proper form. The idea that the system promotes laziness is prevalent in some circles, though other lifters praise the system as a great way to train beginners to use proper form while lifting and to prevent injury. Most experienced lifters will not need the system, as they have developed proper form without the use of aids.
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The raincoat or rain jacket, sometimes combined with rain pants to make a rain suit, is another type of waterproof clothes. It may be made of GORE-TEX® or coated nylon, rubberized cloth, in the case of the British Mackintosh®, oiled cotton, in the case of the Australian Driza-Bone®, or oiled fur, in the case of Inuit anoraks. Other waterproofing materials include PVC or polyvinyl chloride, which is used for outerwear and footwear,
GORE-TEX® is one of the types of waterproof cloth that has been used in a wide variety of garments and other applications. GORE-TEX® is used to make outerwear, footwear, and gloves, and is guaranteed by the manufacturer to keep you dry. Teflon® coated nylon is another waterproof fabric used in outerwear. Oilskin, canvas coated with oil — often linseed — is another. However, the name oilskin is also applied to garments made of the material, and it can also refer to sailcloth with waterproofing of tar.
Ordinary cloth can be rendered waterproof by several methods. One way is to protect it with silicone spray. The spray is applied to the outside of the fabric. Another way to create waterproof clothes is to treat the inside of a piece of clothing with liquid latex, creating a rubber layer that is both airtight and watertight. A wax product, such as Nikwax®, can also be used to waterproof clothing or to restore a garment’s water resistance after it has been lost.
A home guide from 1840 for waterproofing cloth involves a three-day process. The ingredients required include isinglass, rain water, alum, and white soap. The product, which is simmered and strained, is applied to the wrong side of the cloth to be waterproofed and left spread out to dry. It is said to produce a breathable, but waterproof, fabric.