T/F Flashcards
Factors that influence the basal metabolic rate
age, gender, physical size
What is basal metabolic rate
Number of calories your body needs to accomplish its most basic life-sustaining functions.
Energy source of the CNS
While glucose is the only macronutrient (fat, carbs, proteins) the nervous
system can utilise, the brain can also metabolise ketones for energy.
Agonist muscle
Muscle that produces the most force during a particular joint action (prime mover)
Antagonist muscle
Muscle that is relaxing or lengthening
Which type of muscle fiver appears red and why
Type 1 muscle fibres because they are dense with capillaries
Type 1 muscle fibres
Slow twitch, support long distance endurance activities
Type 2 muscle fibres
Fast-twitch, support quick, powerful movements
Non essential proteins
Range of amino acids that body can produce and does not rely totally from food source.
Essential proteins
Not made by the human body and must instead be acquired from our diet.
What does the strength of a muscle contraction depend on
- The number of motor units recruited
- The rate of neural stimulation of each motor unit
- How well the motor units are co-ordinated.
Concentric contraction
When the muscle SHORTENS while generating tension
Eccentric
muscle lengthens as the resistance becomes greater
Explain role of triceps during bicep curl
Antagonist muscle relaxing during the action
Principle of specificity
making training specific to the sport
Principle of individuality
states that a training program to be specific to each individual as different people will have different physical characteristics, lifestyle, responsiveness to training and personal preference
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