Skeletal System Flashcards
(49 cards)
Describe the word ‘movement’
Muscules are attached to your skeleton, they contract and become shorter, when this happens they pull on the bone to make it move.
Ligaments attach ??? To ???
Ligament attach bone to bone
Tendons attach ??? to ???
Tendons attach muscule to bone
Describe the word ‘support’
You skeleton forms a framework to support you body and make it strong
Describe the word ‘protection’
Your skeleton protects you pr vital organs such as your ribs and cranium
Define ‘joint’
A part of the body where two or more bones meet
Define ‘cartilage’
A shock absorber, tough flexible tissue at the end of a bone
What does ‘synovial fluid’ do?
It lubricates the joint
What is synovial membrane?
Its where synovial fluid is produced
What is a ‘synovial capsual’ ?
Is fibre surrounding the joint, holding the fluid in place
What is Abduction of a bone?
When it moves away from the mid-line of the body
What is Adduction of a bone?
Moves towards the mid-line
How many bones does your body consist of?
206
What 5 things do joints allow?
Flexion, Extention, Abduction, Adduction, Rotation
Give an example of a hinge joint
Knee and Elbow
What two joints can adduct and abduct?
Hip and Shoulder
Give two roational joints
Neck amd Shoulder
Define Flexion
Decreasing the angle between bone that makes up the joint
Define Extention
Increasing the angle between bones that makes up a joint
Define Rotation
The movement around its own axis
What 2 things happen to your bones with age?
They become lighter
Their density and strength decrease
What is osteoporosis?
Too much bone lost which makes a weak skeleton therefore bones break easily
What can prevent osteoporosis?
Weight bearing excerise
What is a compound fracture?
When the bone protudes through skin, this happens when essecive impact is put on the bone. Pain, inability to move, tender, and deformity.