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Soloflex, Inc. was established in 1978 by Jerry Wilson. The idea behind the weight straps came from Jerry's days flying small airplanes. The resistance on the plane's controls came from the bungee cord. Jerry used this idea to create the Weightstraps that provide enough resistance to equal large amounts of free weight.
Leg extension machine. The leg extension is performed while seated by raising a weight out in front of the body with the feet. It is an isolation exercise for the quadriceps. Overtraining can cause patellar tendinitis. [4] The legs extension serves to also strengthen the muscles around the knees and is an exercise that is preferred by physical ...
A weight training bench is a piece of exercise equipment used for weight training. Weight training benches may be of various designs: fixed horizontal, fixed inclined, fixed in a folded position, with one adjustable portion, with two or more adjustable portions, with racks to hold bars, etc. In the limit, the definition of a bench blurs into ...
The Roman chair is also used to perform exercises for the abdomen. An exerciser lies supine with their hips supported on the rear (weight on the gluteus maximus) as they bend backward and lift themselves up with their rectus abdominis while stabilizing the pelvis with the hip flexors. If the pelvis moves during the exercise then the hip flexors ...
The leg extension machine was created by American fitness guru Jack LaLanne in the 1950s. [3] The first prototype is recognized to have been made under Gustav Zander, but labeled the machine as a form of “mechanotherapy” along with other machines that extended the knee and ankle. [3] The machine was made to target the quadriceps.
Up to six people at a time could perform her leg-strengthening and aerobics movements on one bench. In 1988 when she heard about the Bench Blast project, [ 19 ] she put together a video production company with Chris Williams, the owner of Four Seasons Health Spa in Glassboro , forming Step N Motion Videos. [ 20 ]
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