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1. Deltoids. Deltoids are a fancy term for "shoulder muscles." "The deltoids are located at the top of the arm and cover the shoulder joint," Julom explains. "When doing jumping jacks, the arms ...
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 ...
Plyometrics, also known as jump training or plyos, are exercises in which muscles exert maximum force in short intervals of time, with the goal of increasing power (speed-strength). This training focuses on learning to move from a muscle extension to a contraction in a rapid or "explosive" manner, such as in specialized repeated jumping. [1]
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.
Rebound exercise (or “ rebounding ”) is a type of elastically leveraged low-impact exercise usually performed on a device known as a rebounder —sometimes called a "mini-trampoline" or "fitness trampoline"—which is directly descended from regular sports or athletic trampolines. Some of the basic movements and actions of rebound exercise ...
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Closed kinetic chain exercises. Closed kinetic chain exercises or closed chain exercises (CKC) are physical exercises performed where the hand (for arm movement) or foot (for leg movement) is fixed in space and cannot move. The extremity remains in constant contact with the immobile surface, usually the ground or the base of a machine.
Jack LaLanne. Francois Henri LaLanne (/ ləˈleɪn /; [1] September 26, 1914 – January 23, 2011), the "Godfather of Fitness", [2][3][4] was an American fitness and nutrition guru and motivational speaker. He described himself as being a "sugarholic" and a " junk food junkie" until he was 15 years old. He also had behavioral problems but ...