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The head-tilt/chin-lift is a procedure used to prevent the tongue obstructing the upper airways.The maneuver is performed by tilting the head backwards in unconscious patients, often by applying pressure to the forehead and the chin.
The exercise is completed by pushing an object downward against resistance. This exercise is an example of the primary function of the triceps, the extension of the elbow joint . There are multiple variations to the push-down that will target the triceps muscle in different ways.
This is a compound exercise that also involves the biceps, forearms, and the rear deltoids. Equipment: cable machine or pulldown machine. Major variants: chin-up or pullup (using the body weight while hanging from a high bar), close grip ~ (more emphasis on the lower lats), reverse grip ~ (more emphasis on the biceps).
A roll is the most basic and fundamental skill in gymnastics class. There are many variations in the skill. Rolls are similar to flips in the fact that they are a complete rotation of the body, but the rotation of the roll is usually made on the ground while a flip is made in the air with the hips passing over the head and without any hands touching the ground.
After further research and testing involving over 600 volunteers, he produced a program with ten basic exercises (XBX) for women that required twelve minutes to complete. [7] The programs proved popular with civilians. A U.S. edition was published in 1962 under the title Royal Canadian Air Force Exercise Plans For Physical Fitness. [8]
Ballistic training, also known as compensatory acceleration training, [1] [2] uses exercises which accelerate a force through the entire range of motion. [ 1 ] [ 3 ] It is a form of power training which can involve throwing weights, jumping with weights, or swinging weights in order to increase explosive power. [ 4 ]
A dumbbell may also be held between the knees or ankles. For less resistance, an assisted dip/pull-up machine can be used which reduces the force necessary for the exerciser to elevate their body by use of a counterweight. One may also use resistance bands hooked under their feet to help if they lack the strength to properly perform a dip. [3]
Of the ten exercises, the single-leg cone hops, box jumps, tuck jumps, and two-legged vertical jumps produced the highest EMG values, alluding to greater motor recruitment. Power was examined in dumbbell jumps, depth jumps, countermovement jumps, squat jumps, and tuck jumps which all produced the higher power scale readings.