Essay on Human Responses On Sports And Exercise

1533 Words Dec 1st, 2014 7 Pages
NORTH WEST KENT COLLEGE
DEPARTMENT OF SPORT & LEISURE

FOUDATION DEGREE in SPORTS SCIENCE

Human Responses to Sports & Exercise
Assessment Task 1 Workbook

Student Name: Daniel Kelly

Instructions:
Read the information provided, and answer the questions. Please note that your answers should be concise, to the point, and include brief explanation.

Part A:

Scenario: You are a fitness coach and are instructing a personal fitness training session for an athlete in a gym. The session involves cardiovascular and resistance training.

Questions:

1. You noticed that heart rate increased immediately before exercise (above resting levels). Why is this the case?
Heart rate may increase before the start of any exercise; this is due to an involuntary response from the sympathetic nervous system. This response is so that the body can prepare for the exercise ahead. The cardiac output (Q) may increase so the blood circulation in the body is sufficient enough that the muscles are retrieving enough oxygen and therefor nutrients and energy to perform the exercise ahead. Cardiac output also refers to heart rate, which is how often the heart beats and this is measured per minute, also stroke volume and this is how much blood is pushed through the heart with any given heartbeat.
2. The following graph shows heart rate during 30 minutes of treadmill running. The speed on the treadmill was increased every 5 minutes. Why has heart rate sharply increased at minute 25 of the treadmill…

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