The Muscular System: Muscle Metabolism 1. List the three roles of ATP in muscle contraction: 1.Energize the power stroke of the myosin cross bridge. 2.Disconnecting the myosin head from the binding site on actin at the conclusion of a power stroke. 3.Energizing the calcium ion pump 2. The potential energy in ATP is released when the terminal high-energy bond is broken by a process called Write the end products of this process: ATP (+ H2O) ______ADP___________ 3. Rebuilding ADP into ATP with
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The arterioles in the skeletal muscles dilate‚ which increases blood flow to the muscles and leads to an overall drop in peripheral resistance. At the same time there is vasoconstriction in the vessels supplying blood to the abdominal organs and kidneys. This makes sense: if an individual was running from an attacking lion‚ digestion wouldn’t be a high priority while the muscles involved in escape would be. Another cardiovascular response to exercise is
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bodybuilding supplements is creatine. Creatine monohydrate is used to increase muscle fullness and body mass. It also helps in shortening the recovery time after an intense workout. Creatine can cause your muscles to retain water‚ which can lead to dehydration in some people. Also‚ there might be up to a five pound weight gain during the first week. There are no major known
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Anatomy & Physiology December 16‚ 2012 Anatomy and Physiology 1 Final Exam Define/Describe the following terms as completely and detailed as you can: 1. Inflammation- Inflammation is the bulging of skin‚ organs‚ or other body parts due to fluid buildup caused an injury. The fluid rushes to the injured area and that is what makes the puffiness. 2. High Fructose Corn Syrup- (HFCS) Composed of corn and lab chemicals. HFCS is found in processed foods such as salad dressing and soda. Your body
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ASSIGNMENT BRIEF Scenario You are a ‘gifted and talented’ athlete who is taking part in some training and your coach has insisted that you understand more about HOW your body works during exercise to maximise your training and ultimately your performance. You will participate in some practical activities and look at readings to interpret what the body systems do in response to becoming active. How we physiologically change from being at rest to being active. Criteria reference To
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CARDIAC SMOOTH Elongated Branching Spindle-shpaed Multiple Peripheral N Single Central Single Central Nucleus Visible Visible Wala Striations Voluntary Involuntary Involuntary Hierarchy Bone → Tendon → Skeletal Muscle → Epimysium → Perimysium → Packs of Muscle Fibers → Endomysium → Muscle fibers → Sarcolemma → Myofibrils → Sarcomere → Actin & Mysoin myofilament ARRANGMENT OF MYOFILAMENTS A Bands Dark areas‚ w/ thick filaments I Bands Light area‚ w/ thin filaments Z Line Within the I band H Zone
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circuit training and types of S&C. Resistance training is a training method that uses a resistance to the force of muscular contraction (concentric i.e. shortening‚ eccentric i.e. stretching and isometric i.e. no change in length). Stretch shortening cycle- when a muscle is stretched before its contracted is produces a more powerful contraction e.g. CMJ Slow-twitch muscle fibres are fatigue resistant but don’t contract very forcefully or rapidy. Uses oxygen. Fast twitch fibres contract rapidly
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within the chemical bonds between the Adenosine and the three phosphate molecules. Water is added in the chemical reaction‚ causing one of the bonds to break‚ which releases one molecule of energy from the phosphate. This molecule is used for the muscle contraction. The ATP then turns into ADP as it’s lost a phosphate molecule. The ADP needs to gain another phosphate to be re-used for another reaction. Creatine-Phosphate is needed for this reaction‚ so the enzyme Creatine-Kinase is used to separate the
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|Muscular Strength |Maximum force able to be exerted|Do push-ups and lift |Increases your ability to | | |by single contraction of a |weights. |complete vigorous activities | | |muscle or muscle group | |easier. | | | |
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tests that may involve multiple repetitions. 2. In strength training and rehabilitation‚ emphasis should be given to both the concentric and eccentric phases of the movement. During the concentric phase‚ the muscle shortens from a lengthened position and during the eccentric phase the muscle lengthens from a shortened position. For example‚ in the execution of the squat‚ the subject begins in a standing position where his/her quadriceps and gluteus maximus are in a shortened position. During the
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