English National Curriculum Science

3. Explain how muscles work in pairs

Mission Objectives

Define antagonistic muscles pairs

State an example of an antagonistic muscle pair

Dissect a chicken wing

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KS3-05-03 Handout KS3-05-03 Handout PDF

Keywords

Words and meanings to learn

flexion

bending a joint so the angle between two bones is reduced

antagonistic pair

when two muscles (or groups of muscles) work together to allow movement in two directions

contract

to become shorter

relax

to become longer

extension

straightening a joint so the angle between two bones increases

This lesson has been written by

Rebecca Willerton

Rebecca studied Psychology at the University of York before working in a variety of roles - in both the UK and internationally - where she assisted individuals with neurodegenerative and developmental conditions. She then completed her science teacher training with the National STEM centre, Royal Society of Chemistry and the Association for Science Education. Rebecca teaches biology and chemistry at Key Stage 4 and general science at Key Stage 3, and has also ran neuroscience and eco clubs at her school. 

Required Resources

Resources: The handout, chicken wing, scissors, board/plate for a work space, gloves, lab coats and disinfectant. 

Core Handout: ‘Chicken wing’ dissection sheet. 

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