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Jumping Jacks: Muscles Worked and Why They Matter 1. Deltoids. Deltoids are a fancy term for "shoulder muscles." ... The hamstrings, a muscle group at the back of the thigh, also get a workout ...
Jumping jacks mix cardio and resistance work in one swift move (er, jump), while engaging multiple muscles, including the glutes, hamstrings, quads, and calves, as well as the muscles of the core ...
Schoolchildren in the US performing jumping jacks. A jumping jack, also known as a star jump and called a side-straddle hop in the US military, is a physical jumping exercise performed by jumping to a position with the legs spread wide and the hands going overhead, sometimes in a clap, and then returning to a position with the feet together and the arms at the sides.
A back extension is an exercise that works the lower back as well as the mid and upper back, specifically the erector spinae muscles. There are two erector spinae, one on either side of the spine, that run along its length. These are formed of three smaller muscles – spinalis, longissimus, and iliocostalis. [1]
Some of the basic movements and actions of rebound exercise include bouncing in place (sometimes also called "jumping" or the Health Bounce [1]), jumping jacks, twists, side-to-side motions, running in place, dance movements, and a wide variety of other movements, patterned or un-patterned, with or without the use of hand-weights or other ...
Explore top-rated models for targeted lower back and glute gains. Discover the best back extension machines of 2023—expert reviews & buyer's guide below.
The push-up requires the work of many muscle groups, with one of the primary muscle groups being the chest muscles, the pectoralis major and the minor. [7] These are the two large chest muscles and the main pushing muscle group of the upper body. When pushing and lowering the body during a push-up, the pectoralis major is doing most of the work.
Jumping up and down with a trap bar for instance, or with a barbell held over the head. Loaded plyometrics may increase explosive power more so than unloaded plyometrics. [3] Two people can also co-operate in order to perform loaded plyometric exercises. For example, one person can carry the other on their back while they jump, or hop from foot ...