Most amniotes have Sharpey's fibers on the posterior and anterior edges of the ribs because the ribs are connected to each other by intercostal muscles, which are muscles that assist in breathing.
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Results of Wednesday night's MRI won't be available until today, but Hill initially has been diagnosed with a strained intercostal muscle, which is located in the upper ribcage below his right armpit.
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Gene Monahan, the team's trainer, described Wells'ailment as " a slight strain of the intercostal muscle, " saying that " it's not a major injury, but it'll take a few days ."
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Assisting this function with muscular effort ( called forced exhalation ) involves the internal intercostal muscles used in conjunction with the abdominal muscles, which act as an antagonist paired with the diaphragm's contraction.
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In Milwaukee, Brad Lidge had run-scoring hits in his first two major league at-bats and pitched three scoreless innings before coming out because of a strained left intercostal muscle as Houston beat Milwaukee.
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When I cycle, which are the main contributors to ( over ) heating my body-muscles in my legs, heart, diaphragm and intercostal muscles ?-- talk ) 10 : 20, 24 July 2014 ( UTC)
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Because of this, when the intercostal muscles move the ribcage outward, the lungs are pulled out as well, dropping the pressure in the lungs and pulling air into the bronchi, when we'breathe in '.
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If the hands are raised over the head, palms together, ( as per the variation ) this stretches the thoracic cavity and rib structures including the intercostal muscles and expands the thoracic cavity increasing lung capacity.
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At the back of the chest they lie between the pleura and the posterior intercostal membranes, but soon pierce the latter and run between the two planes of Intercostal muscles as far as the middle of the rib.
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The function of this muscle is unknown, but it is part of the innermost intercostal muscle group along with the transversus thoracis muscle which is known to be a synergist in aiding the internal intercostal muscles with forced exhalation.