Skin and Bones Test Revision Flashcards
What are the 5 Functions of the Skeletal System?
Movement, Support, Protection, Makes Blood and Storage
What are the four basic bone shapes?
Long, Short, flat, irregular
Four layers of the bone
Periosteum, Compact Bone, Spongy Bone, Bone Marrow.
What two minerals makeup bones?
Calcium, phosphorus
Clavicle
AKA Collarbone; Holds the shoulder joint away from the upper body.
Scapula
located on the back side of the rib cage; provides movement for the arms and shoulder joint.
What are joints?
A place where two bones come together and allow bones to move in different ways.
What are immovable joints?
A joint that allows little or no movement.
What are movable joints?
Joints that allow bones to move in different ways.
What are the four types of moveable joints?
Hinge; ball-and-socket, pivot, gliding
What is a ball and socket joint?
Give examples
The round end of the bone; fitting snuggly within another bone. Allows the greatest range of motion.
e.g. Shoulder and Hip
What is a hinge joint?
Give Examples
Movement in one direction like a door. e.g. knee and elbow.
What is a pivot joint?
Give Examples
Bone resting on top of another bone, allowing free movement. e.g. neck and wrist.
What is a gliding joint?
Give Examples
Allows one bone to slide over another. It lets you bend and flex as well as limited side-to-side motions. e.g. ankle, wrist.
What is a ligament?
Connects bone to bone
What is a tendon?
Attaches muscles to bones.
What is a fixed joint?
Form between two bits of bone and they don’t move.
What is Cartlidge?
In what joints are they found?
A strong and spongy tissue. It forms around the end of ball-and-socket, hinge and pivot joints to protect the end of the bone.
What is synovial fluid?
Fills the space between ends of bones in a joint. Acts as a lubricant and shock absorber.
What does periosteum do?
Covers bones