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…