the structure and functions of the skeleton

Question 1

what are the functions of the skeleton ?

Answer 1

• support for muscles and vital organs
• protection of vital organs
• movement
• shape and structure
• blood cell production
• storage of minerals

Question 2

what are articulating bones ?

Answer 2

bones that meet at a joint to allow movement

e.g hips, pelvis , femur

Question 3

4 types of bones ? and movements they allow ?

Answer 3

flat - nealy no movement
long - gross movement
short - smaller movement
irregular bones - shaped to protect not move

Question 4

what is the name for the muscle and skeletal system combined ?

Answer 4

musculoskeletal

Question 5

what are synovial joints ?

Answer 5

also known as freely moveable joints, most common joint in the body e.g knee

Question 6

types of freely moveable joints ?

Answer 6

ball and socket

hinge joints

Question 7

what is flexion ?

Answer 7

movement that causes an decrease in the angle of the bone at the joint

Question 8

what is extension ?

Answer 8

movement that causes an increase in the angle of the bone at the joint

Question 9

what is abduction ?

Answer 9

movement of a bone or limb away from the midline of the body

Question 10

what is adduction ?

Answer 10

movement of the bone or limb towards the midline of the body

Question 11

what is rotation ?

Answer 11

circular movement around a joint (axis)

Question 12

what is plantar flexion ?

Answer 12

movement at the ankle joint that points the toes and increases the angle at the ankle joint

Question 13

what is dorsiflexion ?

Answer 13

movement at the ankle joint that flexes the toes and decreases the angle at the ankle joint