Muscle movement
What does 'agonist' mean?
The working/contracting muscle
Name the four chambers of the heart
RV, LV, RA, RV
How many Energy systems are there?
Three
COG and BOS stand for what?
Centre of gravity and Base of support
Why do people sweat when they exercise
To cool the body down
What does antagonist mean?
The relaxing/extending muscle
What is the main role of arteries?
Carry blood with oxygen
ATP-CP lasts roughly for how long?
0-10 seconds
LOS stands for what and explain what it means?
Line of support. The closer to your mid-line your body is the more balanced you are.
Why does breathing and heart rate increase with exercise?
To deliver O2 to the working muscles
Which two muscles work togther to bend the arm?
Bicep and Tricep
Name the largest blood vessel in the body
Aorta
Which two track running distances would predominantly use the Anaerobic System
400m and 800m
Name the three Newtons laws
1 - Inertia (An object will remain at rest, or moving unless a force acts on it
2- Force = Mass x Acceleration (F = M x A)
3. For every action there is an opposite and equal reaction
What does the following formula stand for:
CO = HR x SV
Cardiac Output = Heart Rate x Stroke Volume
Name the agonist and antagonist muscles that work together to straigthen the leg
Agonist - Quadriceps
Antagonist - Hamstrings
What four main components are in blood?
RBC, WBC, Platelets, Plasma
The third Energy System is Aerobic. What does this mean?
You are using more O2 than at rest
Which three things determine how well a projectile moves?
The Height, Angle and Speed of release
Most electrolyte drinks contain which 4 minerals
Magnesium, Potassium, Calcium, Sodium
When flexing the hip, name the agonist and antagonist
Agonist - Sartorius, Rectus femorus
Antagonist - Glutes, Hamstrings
Name the 4 heart valves
Tricuspid, Mitral, Pulmonary, Aortic
What does ATP-CP stand for?
Adenosine Tri-phosphate - Creatine Phosphate
Name three keys things that determine good Force Summation
1. Timing
2. Recuriting muscles from largest to smallest
3. Stable base/sequencing/Range of motion
Explain what V02 max means and how you can measure it
Maximum volume of O2 you can take in an use when exercising. A face mask that you wear that can measure it.