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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ankles‚ feet‚ wrists‚ and the fingers. They are cube shaped‚ very light and strong. The flat bones are strong‚ flat plated‚ and provide protection for all the major organs‚ such as the brain‚ heart and the lungs. They can also provide attachment for muscles. Irregular bones are bones that don’t fit into any category‚ they help to support and protect joints‚ and an example of this would be the vertebrae. And finally‚ the sesamoid bones‚ they are usually short or irregular bones that are placed / imbedded
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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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heat exhaustion or heat stroke (Leong‚ 2007). Drinking water after exercise helps to restore water balance in the body. Drinking sport drink‚ which contain sugar and electrolytes‚ can replace the electrolytes that loss in the body. Nerve and muscle contraction can be measured by monitoring changes in reaction time to find the effect of sport drink. The reaction time will be smaller after drinking sport drink than water. Key word : electrolytes‚ sport drink‚ exercise‚ reaction time‚ water Introduction
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abnormalities. This paper will provide knowledge of the anatomy‚ biomechanics‚ and correct rehabilitation involved with shoulder impingement. Impingement syndrome was originally described by Dr. Charles Neer as mechanical impingement of the supraspinatus muscle and the long head of the biceps tendon underneath the acromial arch. Neer classified three stages of impingement. Stage I is characterized by edema and hemorrhage of the rotator cuff and suprahumeral tissue. Stage II is characterized by fibrosis of
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ability of the muscles to apply force against a body or object. Muscular strength is also required for all movements of the skeleton‚ especially in reference to exercise and sport‚ because it enables the body to generate more force against an object‚ improving the performance and movement efficiency. Strength training is a sort of physical exercise using resistance to induce muscular contraction which will build the strength and anaerobic endurance. The structures involved are muscles‚ tendons‚ ligaments
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FACTORS AFFECTING PERFORMANCE How does training affect performance? • energy systems anaerobic Alactacid (ATP/PC) Lactic acid Aerobic Process An explosive movement causes the ATP to ‘split’‚ providing energy for muscular contraction Anaerobic glycolysis – degradation of glucose without using oxygen Aerobic metabolism – breakdown of fuel in the presence of oxygen to produce ATP Source of fuel Creatine phosphate Carbohydrate Carbohydrate‚ fat and protein ATP production Rapidly
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in demand for more oxygen and this is due to the working muscles needing more oxygen and energy during exercise. With there been an increase in blood supply that means there will be greater amounts of oxygen been delivered around the body at a faster speed due to the heart pumping blood around the body at a faster pace. Increase in muscle pliability: Muscle pliability is the stretchiness of your muscles and connective tissues. When muscles become warm they become more pliable and this helps reduce
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wonder whether we really can cope with the pressures placed upon us. Too much stress isn’t good for your body it causes your Blood pressure rises Breathing becomes more rapid Digestive system slows down Heart rate (pulse) rises Immune system goes down Muscles become tense We do not sleep. To cope with stress try having a massage‚ go to a sauna and‚ find out what is stressing you out and try to find a solution to your stress. Sleep/Rest Sleep is essential. It is not an option. Regular
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