Fitness Components Part 2
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What is muscular strength?
The force or tension a muscle can exert against a resistance in one maximal contraction
What does 1RM mean?
One repetition maximum applied over a couple of seconds
What are some factors which affect muscular strength?
Age, gender, fibre type and fibre recruitment
How does age affect muscular strength?
Muscular strength peaks between 25-30 years and declines by 1% per year
How does gender affect muscular strength?
Males have a greater muscle mass than females due to higher testosterone levels
What is muscular endurance?
The ability of a muscle to continue sustained contractions
What are some factors which affect muscular endurance?
Blood flow, muscular strength and age
How does muscular strength affect muscular endurance?
Greater amounts of muscular strength will lead to greater muscular endurance
How does blood flow affect muscular endurance?
If arteries and veins become blocked, then fatigue will occur and muscular endurance will decrease
What is reaction time?
The time in between a signal being detected and the first movement in response to this signal
What are some factors affecting reaction time?
Distractions, number of responses and optimal arousal concentration
How does the number of responses affect reaction time?
Reaction time is quickest when there is only one possible response
How does distraction affect reaction time?
Distractions add to reaction time and slow down responses
What is muscular power?
The ability to exert a maximal contraction in one explosive effort
What are some factors which affect muscular power?
Age, gender, fibre type and fibre recruitment
How does gender affect muscular power?
Males have greater muscle mass then females, therefore greater muscular power
How does fibre type affect muscular power?
Fast twitch fibres can generate muscular power quicker than slow twitch fibres
What is anaerobic capacity?
The ability to produce energy without using oxygen
What are some factors which affect anaerobic capacity?
Age, gender and lactate tolerance
How does age affect anaerobic capacity?
Anaerobic power tends to peak around 30 years of age and declines by 1% per year
How does gender affect anaerobic capacity?
Males have greater muscle mass than females, therefore will have greater stores of anaerobic fuel