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<blockquote data-quote="JBlood" data-source="post: 549735" data-attributes="member: 16"><p>very good review article on creatine. I'm particularly interested in the following: </p><p></p><p> </p><p><span style="font-size: 15px"><strong>"Effects of creatine supplementation on range of motion</strong></span></p><p>Sculthorpe et al (2010) has shown that a 5 day (25g/d) loading protocol of creatine supplementation followed by a further 3 days of 5 g/d negatively influence both active ankle dorsiflexion and shoulder abduction and extension range of movement (ROM) in young men. There are two possible theories to explain these effects: 1) Creatine supplementation increases intracellular water content resulting in increased muscle stiffness and resistance to stretch; 2) Neural outflow from the muscle spindles is affected due to an increased volume of the muscle cell. The authors highlight that the active ROM measures were taken immediately after the loading phase and the reduced active ROM may not be seen after several weeks of maintenance phase<a href="http://www.jissn.com/content/9/1/33#B45" target="_blank">45</a>]. Hile et al <a href="http://www.jissn.com/content/9/1/33#B46" target="_blank">46</a>] observed an increase in compartment pressure in the anterior compartment of the lower leg, which may also have been responsible for a reduced active ROM."</p><p></p><p>A decreased ROM or increased muscle stiffness with creatine use certainly could lead to increased muscle pulls, wouldn't you agree? It appears that creatine is useful for weight lifters in particular. Maybe not so good for football players. </p><p></p><p>Also: </p><p>"It is prudent to note that creatine supplementation has been shown to reduce the body’s endogenous production of creatine, however levels return to normal after a brief period of time when supplementation ceases <a href="http://www.jissn.com/content/9/1/33#B1" target="_blank">1</a>,<a href="http://www.jissn.com/content/9/1/33#B6" target="_blank">6</a>]. Despite this creatine supplementation has not been studied/supplemented with for a relatively long period. <span style="color: #ff0000">Due to this, long term effects are unknown, therefore safety cannot be guaranteed."</span></p><p></p><p>Good article. Thanks for posting it.</p></blockquote><p></p>
[QUOTE="JBlood, post: 549735, member: 16"] very good review article on creatine. I'm particularly interested in the following: [SIZE=4][B]"Effects of creatine supplementation on range of motion[/B][/SIZE] Sculthorpe et al (2010) has shown that a 5 day (25g/d) loading protocol of creatine supplementation followed by a further 3 days of 5 g/d negatively influence both active ankle dorsiflexion and shoulder abduction and extension range of movement (ROM) in young men. There are two possible theories to explain these effects: 1) Creatine supplementation increases intracellular water content resulting in increased muscle stiffness and resistance to stretch; 2) Neural outflow from the muscle spindles is affected due to an increased volume of the muscle cell. The authors highlight that the active ROM measures were taken immediately after the loading phase and the reduced active ROM may not be seen after several weeks of maintenance phase[URL='http://www.jissn.com/content/9/1/33#B45']45[/URL]]. Hile et al [URL='http://www.jissn.com/content/9/1/33#B46']46[/URL]] observed an increase in compartment pressure in the anterior compartment of the lower leg, which may also have been responsible for a reduced active ROM." A decreased ROM or increased muscle stiffness with creatine use certainly could lead to increased muscle pulls, wouldn't you agree? It appears that creatine is useful for weight lifters in particular. Maybe not so good for football players. Also: "It is prudent to note that creatine supplementation has been shown to reduce the body’s endogenous production of creatine, however levels return to normal after a brief period of time when supplementation ceases [URL='http://www.jissn.com/content/9/1/33#B1']1[/URL],[URL='http://www.jissn.com/content/9/1/33#B6']6[/URL]]. Despite this creatine supplementation has not been studied/supplemented with for a relatively long period. [COLOR=#ff0000]Due to this, long term effects are unknown, therefore safety cannot be guaranteed."[/COLOR] Good article. Thanks for posting it. [/QUOTE]
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