Skeletal System
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40 Terms
Name 2 functions of the skeletal system
Provides framework & supports the muscles
What is axial?
Head & Trunk
What is appendicular?
Arms & Legs
Name a flat bone.
Frontal
Name a short bone
Carpals
Name an irregular bone
Bones in the ear
Name a long bone
Femur
What is red marrow?
Actively produces blood for us
What is yellow marrow?
No longer produces blood when you stop growing
Joints are also known as…..
Articulation
What are joints?
Where 2 bones meet
What are ligaments and what do they do?
They connect bone to bone
Give an example of a pivot joint
Neck
Give an example of a ball & socket joint
Shoulder
Give an example of a hinge joint
Elbow
Give an example of a saddle joint
Only thumb
Give an example of a gliding joint
Tarsals
What does cartilage do?
Provides cushion in the joints.
Where can you find cartilage?
In the joints.
What happens overtime to cartilage?
It wears away.
What is a bursa? What does it do?
It’s a sac between bones that provides extra cushion
What is a osteoblast?
They are cells that build new bones
What is an osteoclasts?
They eat up debris & old bone
What are the 3 types of deformities?
Kyphosis, Scoliosis, Lordosis
What is Kyphosis?
Excessive curve of the cervical spine
What is Lordosis?
An excessive curve of the lumbar spine.
What is Scoliosis?
An S curve shape of the back.
What is a hairline fracture?
A fine break that does not go through the entire bone.
What is a compound fracture?
The bone is forced though the skin.
What is an oblique fracture?
A fracture that runs diagonally through the bone.
What is a greenstick fracture?
It is caused by the bending of bones
What is a Comminuted Fracture
A bone that is shattered into tiny little pieces.
What is a spiral fracture?
A twisting of the bone
What is an Avulsion Fracture?
A fragment of the bone tears off of the main part of the bone.
What is a Stress fracture?
Basically there are tiny cracks in the bone caused by repetitive force.
What is a blowout fracture?
The bones surrounding the eye broke.
What is a pathological fracture?
A fracture caused by desies that led to weakness of the bones
What is a transverse fracture?
A fracture that runs horizontal.
How many bones are in the axial skeleton?
80
How many bones are in the appendicular skeleton?
206