Functions Of The Skeleton

Question 1

What are the 4 functions of the skeleton??

Answer 1

To support
To heal/ protect from bacteria
To protect the brain
To allow you to move

Question 2

What is a synovial joint??

Answer 2

A joint that has more movement than any normal joint eg. Knee

Question 3

Type of joints

Answer 3

Ball and socket- wide range of movement

Hinge- like a hinge

Question 4

Types of movement

Answer 4

Flexible and extension (hinge)

Plantar flexion and dorsiflextion (hinge)

Rotation (ball and socket)

Adduction and abduction (ball and socket)

Question 5

What is an antagonistic muscle action??

Answer 5

Muscles can only pull so they must act in pairs

Attached to bones by tendons

Bones are strapped together by ligaments

1 muscle contracts the other relaxes

Question 6

What is an antagonist muscle?

Answer 6

A muscle that relaxes

Question 7

What is an agonist muscle??

Answer 7

The muscle that contracts

Question 8

Examples of antagonistic muscle action

Answer 8

Biceps and triceps, acting at the elbow= flexitime and extension
Hip flexors and gluteals, acting at the hip= flexion and extension