Bones
What is the name of the part of the skull at the anterior of your head?
Cranium
What is the difference between red and white muscle fibre types?
White is fast twitch used for power, speed and strength activities, red is slow twitch used for longer duration activities of lower effort or force.
Why is the area of base of support on balance and stability higher when you have all fours on the ground compared to 2 feet?
Because the area beneath the body that includes every point of contact with the ground increasing your base of support
What does synovial fluid do?
A liquid that reduces friction between cartilage and the synovial joint
What sport would you manipulate your centre of gravity to your advantage?
Rugby
How many bones are in the vertebral column?
33
Whilst one muscle contracts (agonist), the other muscle in the pair with relax (antagonist).
Extending the ankle down, so the toes move away from the shin
What joint is found at the pelvic bone?
Ball and socket
How does the skeleton help during a game of rugby?
Movement, strength and protection to vital organs
How many bones are in the human body?
206
What is the name for the calf?
Gastrocnemius
What is the line of gravity?
An imaginary vertical line passing downward through the centre of gravity.
What is the difference between isotonic and isometric contractions?
Isotonic: contractions in which the length of the muscle changes while applying a force.
Isometric: Contractions in which the muscle applies a force, but does not change its length.
How does height affect centre of mass in hurdle racing?
You need to adjust your body to maintain a consistent centre of mass heigh to minimise vertical velocity allowing for more force to be applied forward
What is the name of the ankle bone
Talus
What is the name of the muscle surround and supporting the spine?
Erector Spinae
What is the definition of the centre of mass?
The point at which the total mass of an object is considered to be concentrated
What is abduction?
Movement of a body part away from the body's midline
How does lowering your centre of gravity affect your performance in basketball?
Increased Stability: A lower centre of gravity allows for better balance, strength and reducing the risk of falls and injuries
1. Protection of vital organs
2. Muscle attachment
3. Movement (joints)
4. Mineral storage
5. Blood cell production
6. Support
What are muscles attached to bones via
Tendons
What is inertia?
When an object resists changes in its state of motion whether at rest or in motion unless acted on by an external force.
What is the strongest muscle in the human body?
Masseter
Messi or Ronaldo
Ronaldo