Skeletal System
How many bones make up the skeletal system?
206
What is a fracture?
Any type of break in a bone
What are joints?
Points where bones meet
What does the muscular system allow the body to do?
Move
When might muscles be sore?
After strenuous activity
What are the 4 shapes of bones?
Long, short, flat, irregular
Hairline, transverse, comminuted
What are the 4 categories of flexible joints?
Ball and socket
Hinge
Pivot
Ellipsoidal joints
What are involuntary muscle movements?
Muscle movements without knowing it
What is a treatment option for tendinitis?
Anti-inflammatory medication
What is the purpose of connective tissue?
Holds parts of the body together
What is a compound fracture?
Broken end of the bone breaks through the skin
How do injuries to the joints occur?
Overuse
Strain
Disease
Smooth
Skeletal
Cardiac
Where does a hernia commonly occur?
The abdomen
What is ossification?
What is scoliosis?
A lateral or side to side curvature of the spine
What is arthritis?
Inflammation of a joint
What keeps muscles strong and healthy?
Physical Activity
How does a muscle strain or sprain happen?
When muscles are stretched or partially torn from overexertion
What are the 3 types of connective tissue?
Cartilage, ligaments, tendons
What are 4 factors that can lead to problems of the skeletal system?
Poor nutrition
Infections
Sports injuries
Poor posture
What is a bursa?
A fluid-filled sac that helps reduce friction in joints
How many times a day does the heart contract?
100,000
How can muscle weakness be delayed if someone has muscular dystrophy?
Through exercise programs