Unit 1 Sport AOS 1 Flashcards
(38 cards)
How many bones are in an adult human skeleton?
206 bones
What is the Axial Skeleton?
All bones that have a central and important role in the skeleton
What is the Appendicular Skeleton?
The limbs of the body, including where they attach to the axial skeleton
What are the major functions performed by bones?
- Support
- Protection
- Movement
- Mineral Storage
- Blood Cell Production
Name three major bones in the human body.
- Cranium
- Clavicle
- Femur
What are Long Bones?
Longer than they are wide; assist with movement
What are Short Bones?
Nearly equal in length and width; very strong for stability and support
What are Flat Bones?
Usually thin; provide protection and large area for muscle attachment
What are Irregular Bones?
Vary in shape and structure; provide protection and support
What are Sesamoid Bones?
Found in locations where a tendon passes over a joint; protects the tendon
What are the major functions of the Muscular System?
- Body Movement
- Maintain Posture
- Permit Essential Body Functions
What type of muscle is Skeletal Muscle?
Voluntary muscles allowing voluntary movement and controlling posture
What type of muscle controls the heart?
Cardiac Muscle
What type of muscles are found in hollow organs?
Smooth Muscle
Name three major muscles in the human body.
- Deltoid
- Biceps Brachii
- Gluteus Maximus
What does ‘Superior’ mean in anatomical terms?
Towards the upper part of the body
What does ‘Inferior’ mean in anatomical terms?
Towards the lower part of the body
Define Flexion.
The angle joint is decreased
What is Extension?
The angle joint is increased
What is Dorsiflexion?
Toes pointing upwards
What is Plantarflexion?
Toes pointing downwards
What does Abduction refer to?
Movement away from the body
What does Adduction refer to?
Movement towards the body
What are Slow Twitch Fibres suited for?
Sub maximal intensity, longer duration work; very resistant to fatigue
