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The opposite of OKE are closed kinetic chain exercises (CKE). Both are effective for strengthening and rehabilitation objectives. [1] Closed-chain exercises tend to offer more "functional" athletic benefits because of their ability to recruit more muscle groups and require additional skeletal stabilization. [2]
Closed chain exercises are often compound movements, that generally incur compressive forces, while open-chain exercises are often isolation movements that promote more shearing forces. [ 1 ] CKC exercises involve more than one muscle group and joint simultaneously rather than concentrating solely on one, as many OKC exercises do (single-joint ...
The Poincaré lemma states that if B is an open ball in R n, any closed p-form ω defined on B is exact, for any integer p with 1 ≤ p ≤ n. [1] More generally, the lemma states that on a contractible open subset of a manifold (e.g., ), a closed p-form, p > 0, is exact. [citation needed]
"Open, closed, open," also referred to as "open to close to open," or "slow, fast, slow," [1] consists of beginning a drum rudiment very slow and controlled, speeding up evenly until at the maximum speed for the drummer, then slowing back down after maintaining that speed.
A closed league is the opposite of leagues with promotion and relegation systems (often referred to as open leagues) where teams can be sent down to lower leagues if their performance is poor enough. Closed leagues are the most common form of sports leagues in North America and Australia and are also a common form of sports league in Singapore. [1]
Q: How do gymnasts avoid wedgies? A: Believe it or not, there’s a spray for that. Gymnast Nastia Liukin, the all-around gold medalist at the 2008 Olympics, told People.com in 2016 that some ...
A Closed Game (or Double Queen's Pawn Opening) is a chess opening that begins with the moves: . 1. d4 d5. The move 1.d4 offers the same benefits to development and center control as does 1.e4, but unlike with the king's pawn openings where the e4-pawn is undefended after the first move, the d4-pawn is protected by White's queen.
Open systems have input and output flows, representing exchanges of matter, energy or information with its surroundings. An open system is a system that has external interactions. Such interactions can take the form of information, energy, or material transfers into or out of the system boundary, depending on the discipline which defines the ...