skeletal system Flashcards
where is your sternum found
centre of chest
where is your scapula found
it is found at the shoulder
what are the main functions of the skeleton
- posture
- protection
- blood cell production
- storage of minerals
- movement
- support
synovial joint what does it do
it allows us free movement to be able to perform physical activity
what is cartilage
cartilage cushions the joint and prevents friction and wear and tear between bone ends
name 3 things about ligaments
- They connect bone to bone and help keep the joint together.
- They stabilise the joints during movement and prevent dislocation by restricting actions outside the normal joint range.
- They can absorb shock because of their elasticity, which protects the joint.
Which gel-like substance helps to lubricate the movement of joints?
synovial fluid
Which two bones connect at the shoulder?
Scapula and humerus
Which type of joint allows for flexion, extension, abduction and adduction?
ball and socket
In which part of a bone are blood cells produced?
bone marrow
Which function of the skeleton is most relevant during a powerful tackle in rugby?
protection
Which type of connective tissue helps to stabilise the ankle joint during the dynamic movements of a badminton match?
Ligaments
Which of the following joints is an example of a hinge joint?
ankle, elbow and knee
Which shock-absorbing structure lines the end of bones that connect at synovial joints?
cartilage
Which two muscles flex and extend the knee joint?
Quadriceps and hamstrings