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The integrated hypothesis theory states that trigger points form from excessive release of acetylcholine which produces sustained depolarization of muscle fibers. Indeed, the trigger point has an abnormal biochemical composition with elevated concentrations of acetylcholine, noradrenaline and serotonin and a lower pH. [5]
A new lacrosse ball will have a textured feel, and feel a little squishy; over time this ball will become "greasy" and harden. A "greasy" lacrosse ball (often referred to as a "greaser") is a ball that has lost its grip and has hardened; this causes players to throw inaccurately as it no longer grips the mesh in the way a typical, new lacrosse ball would.
Symptoms of a myofascial trigger point include: focal point tenderness, reproduction of pain upon trigger point palpation, hardening of the muscle upon trigger point palpation, pseudo-weakness of the involved muscle, referred pain, and limited range of motion following approximately 5 seconds of sustained trigger point pressure. [2]
Myofascial release (MFR, self-myofascial release) is an alternative medicine therapy claimed to be useful for treating skeletal muscle immobility and pain by relaxing contracted muscles, improving blood and lymphatic circulation and stimulating the stretch reflex in muscles.
Ischemic compression is commonly applied to trigger points, in what is known as trigger point therapy, where enough sustained pressure is applied to a trigger point with a tolerable amount of pain, and as discomfort is reduced, additional pressure is gradually given.
Dry needling, also known as trigger point dry needling and intramuscular stimulation, [1] [2] is a treatment technique used by various healthcare practitioners, including physical therapists, physicians, and chiropractors, among others. [3]
Ball-play of the Choctaw – ball up by George Catlin, c. 1846–1850. Lacrosse is based on games played by various Native American communities as early as 1100 AD. [18] By the 17th century, a version of lacrosse was well-established and was documented by Jesuit missionary priests in the territory of present-day Canada. [19]
David Goodman Simons (June 7, 1922 – April 5, 2010) [1] was an American physician and U.S. Air Force lieutenant colonel who, as part of Project Manhigh, set a high-altitude balloon flight record in 1957 at 19 miles (31 km) above the Earth in an aluminum capsule suspended from a helium balloon.
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