click below
click below
Normal Size Small Size show me how
Sport - Skeletal
Sport - Skeletal System - joints
Question | Answer |
---|---|
What are the 3 types of joints? | Fixed, slightly moveable & moveable |
What are the characteristics of fixed joints (fibrous)? | fixed and allow no movement |
What are examples of fixed joints (fibrous)? | Cranium, sacrum, coccygeal |
What are the characteristics of slightly moveable joints (cartilaginous)? | slightly moveable |
What are examples of slightly moveable joints (cartilaginous)? | Between the individual vertebrae |
What are the characteristics of moveable joints (synovial)? | freely moveable |
What are examples of moveable joints (synovial)? | elbow, shoulder, thumb |
What determines the range of movement of joints? | the shape of bones |
What does 'synovial fluid' do? | lubricates and reduces friction of the joint |
What does the 'synovial membrane' do? | contains and releases synovial fluid |
What does 'articular cartilage' do? | prevents bones from rubbing & acts as a shock absorber |
What does the 'joint capsule' do? | surrounds & protects the synovial joint and stabilises the joint |
What do 'ligaments' do? | join bone to bone & help stabilise the joint |
What does a 'bursa' do? | provides a cushion between the tendons & bones, reduces friction |
What is a 'bursa'? | a fluid filled sac between tendons & bones |
Where are hinge joints found? | knee, elbow & ankle |
Where are ball & socket joints found? | shoulder & hip |
Where are pivot joints found? | neck |
Where are condyloid joints found? | wrist |
Where are saddle joints found? | thumb |
Where are gliding joints found? | hands & feet |
What type of movement do hinge joints have? | flexion, extension, plantar flexion & dorsi flexion |
What type of movement do ball & socket joints have? | flexion, extension, adduction, abduction, rotation & circumduction |
What type of movement do pivot joints have? | rotation |
What type of movement do condyloid joints have? | flexion, extension, adduction, abduction, & circumduction |
What type of movement do gliding joints have? | limited movement in all directions |