Skeletal System Flashcards
(55 cards)
Name six functions of skeletal system
Support
Posture
Protection
Movement
Making red blood cells
Mineral storage
What does support do for the body
Supports the soft tissue like skin and muscle
What does posture do for our body
Gives the skeleton the correct shape
What is protection in the skeleton
Bones protect vital organs
What is movement in the skeletal system
Muscles attached to the bones can move bones at joints
How is the skeleton used for making red blood cells
Bones contain bone marrow which have red blood cells in them
What minerals do bones store
Calcium, phosphorus
What does a ligament do
Holds bones together to restict how much joints can move
What do tendons do
Attach muscles to bones
What does cartilage do
Acts as cushion between bones
Hinge joint allows movement in
2 directions
What movement do ball and socket have
All directions
What are synovial joints
A joint that allows a wide range of movement and has a joint capsule enclosing it
Structure of a synovial joint (3)
1 end of bones covered in cartilage
2 synovial fluid in joint capsule
3 connected by ligaments
What r the 6 types of joint movement
Flexion
Extension
Rotation
Circumduction
Abduction
Adduction
Main function of deltoids
Flexion
Extension
Abduction
Circumduction
At the shoulder
Main function f the trapezius
Extention at the neck
Main function of the abdominal
Flexion at the waist
Main function of the triceps
Extentions at the elbow
Main function of latissimus dorsi
Extention
Adduction
Rotation
At the shoulder
Main function of the hamstrings
Flexion at the knee
Main function of the gastronemeus
Pointing foot downwards
Main function of the gluteals
Extention
Rotation
Abduction
At the hip
Main function of the quadriceps
Extention at the knee
