Joints
What is a Joint?
A joint is what connects bones in the body.
How many bones are in the human body?
206 bones
Emily was playing volleyball and bent her thumb back on a set. What type of joint is in Emilys thumb?
Saddle Joint.
What is another word for a fracture?
Broken
What bone is the longest in the body?
Femur
Name two types of joints found in the human body.
Synovial, Fibrous, or Cartilaginous
Name two types of bones.
flat, short, long, irregular, sesamoid
A Marathon runner is suffering from a stress fracture in their foot, what may have caused this? Give two reasons.
Overuse of the foot, and or improper running form.
What are two types of bones fractures?
Compound, Transverse, Oblique, Simple, Comminuted, Greenstick, Stress
What mineral is essential for strong bones?
Calcium
How do hinge joints and ball and socket joints differ in terms of movement?
Hinge Joints can only perform flexion and extension, while ball and socket joints have large range of motion.
Name the three bones that make up the arm.
Humerus, Radius, Ulna
Sarah tore her ACL, she needs surgery and the doctor plans to take some tendon from this bone in the knee. What bone is it?
The Patella
What is the difference between and simple and a compound fracture.
a simple is a closed wound while a compound fracture will puncture through the skin.
Which joint allows you to rotate your head?
Pivot Joint
What is a characteristic of all synovial joints?
They are all moveable joints.
True or False: The only function of the bones is to provide protection of internal organs.
False, it also provides an attachment point for muscles, and red blood cell production.
David has a comminuted fracture. Why is there more complications with a comminuted fracture as opposed to a transverse fracture?
The bone has been shattered into multiple pieces making it more difficult to repair.
What type of fracture are kids most susceptible to get?
Greenstick Fracture.
How many bones are in the body at birth?
About 300, they fuse together as you age.