The role of the neuromuscular system on work and exercise Essay

The role of the neuromuscular system on work and exercise - Essay Example A nerve impulse from the brain travels through the nerve and cause the release of acetylcholine at the nerve junction. This chemical is picked by chemical receptors in the muscle that effect the movement. Hypertensive individuals are treated with calcium blockers and catecholamine blockers. These drugs protect the hart from heart attacks by neither blocking the action of nor adrenaline which initiates the flight or fight response. They block the reception of stress hormones such as epinephrine weakening their effects. This reduces hypertension. Nevertheless, this also has some adverse effect on the individual because it blocks the absorption of calcium to the ones. As a result, the individual taking the treatment has a high risk of developing ostereoporosis. The motor skills of the patients are also adversely affected because of reduced calcium in the bones. As a result, this type of medicine is not good for physically active individuals or athletes as it affects their performance. This is because they block the uptake of oxygen and make exercise to be more strenuous. Some patients may even stop taking the drugs. Calcium channel blockers also have adverse effects on skeletal movements. They inhibit the movement of calcium inwards by slowed channels into the heart, blood vessels allowing the heart to pump blood more easily and increasing the width of the blood vessels. As such, the heart doe not strain in pumping blood lowering the blood pressure. Increase in intercellular concentration of calcium results in eccentric contraction that causes damage in the skeletal muscles by damaging the muscle protein structure (Blottner & Salanova 2010). The damage arises from increased resting calcium, profound loss of involuntary ad voluntary muscles and increase in intracellular calcium concentration. Caffeine is a mild stimulant. It effects as a stimulant and affects brain activity. Caffeine is quickly absorbed by the body the moment