Muscular System Flashcards
1
Q
How many muscle groups?
A
Over 600 different muscle groups
2
Q
What are the 3 types of muscle tissue?
A
- Skeletal Muscle
- Smooth muscle
- Cardiac Muscle
3
Q
Skeletal Muscle
A
- Attached to the bones via tendons
- Under voluntary control
4
Q
Smooth muscle
A
- Find in organs and blood vessels
- Under involuntary control
5
Q
Cardiac Muscle
A
- Only found in the heart
- Autorhythmic contraction
- Intercalated disks
6
Q
Origin
A
end of muscle that remains stationary when the muscle shortens
7
Q
Insertion
A
end of muscle that moves during a muscle contraction
8
Q
What happens during muscle contraction?
A
During muscle contraction the insertion is pulled toward the origin of the muscle
9
Q
Agonist
A
provides the movement
10
Q
Antagonist
A
the muscle that allows for the given motion (opposite)
11
Q
Functions of the muscular system?
A
- Movement
- Posture and muscle tone
- Heat production
12
Q
What is tendons, ligaments, and cartilage?
A
- tendons: bone to muscle
- ligaments: bone to bone
- cartilage: flexible tissue (nose, ears)
