See, it looks and works just like an arm!

See, it looks and works just like an arm!

Year 4 have been looking at how the body moves, in particular focusing on muscle pairs.

DSCN1311 blog

 

I am sure you will look at the rolled up tubes of card, lumps of sellotape and semi-inflated balloons and think, ‘That looks just like an arm!’. Indeed it is a working model of the antagonistic muscles that pull our hand up and down. While one muscle contacts, the other relaxes; we had many successful working models that could demonstrate this.

While one muscle contracts the other relaxes.

While one muscle contracts the other relaxes.