OB 24 & OB 25

The Human Skeleton

Learning Objectives

OB24 identify the main parts of the human skeleton and understand that the functions are support, movement and protection

OB25 locate the major bones in the human body including the skull, ribs, vertebrae, collarbone, shoulder blade, humerus, radius, ulna, pelvis, femur, tibia and fibula, using a diagram or a model skeleton

Main Parts of Human Skeleton

Main Parts of Human Skeleton

Functions of skeleton

Support

Movement

Protection

Location of main bones

Location of main bones

Can you remember?

How many functions does the skeleton have?

3

Can you remember?

What are those three functions?

Support

Movement

Protection

Can you remember the main parts?

Can you locate the main bones?

Well Done – Take a bow…

OB26

Movement

Learning Objectives

OB26 understand the function of joints and muscles(including antagonistic pairs),tendons and ligaments,and the relationship between these and bones

Bones and muscles of the arm

biceps

radius

humerus

ulna

How would YOU raise the arm?

biceps

radius

humerus

ulna

Were you right?

bone pulled upwardtricep

s relaxes

How would you lower the arm?

biceps

tricepsulna

radiushumerus

Were you right?

bone pulled downward

biceps relaxes

Watch the muscles….

Watch the muscles….

Watch the muscles….

Watch the muscles….

Watch the muscles….

Watch the muscles….

Watch the muscles….

Can you locate the HINGE?

?

Can you locate the HINGE?

?

You are correct if you located it here

You are correct if you located it here

the hinge is where the bones are allowed to move about each other, raising and lowering the arm

To be continued…