Which one of the following muscle groups are mainly involved in moving the arms when performing a press up?

Which one of the following muscle groups is found in the arms?

Match the words to their appropriate definition?

1. Agonist = [[The muscle which is contracting during the movement]]

2. Antagonist = [[The muscle that is relaxing or lengthening during the movement]]

3. Fixator = [[Muscles that assist movement by supporting and stabilising the joint and the rest of the body]]

4. Antagonistic muscle action = [[During any movement, one muscle contracts and the other relaxes these are called antagonistic muscle action]]

What muscle is this? 

What is this muscle? 

What muscle is this? 

What muscle is this? 

What muscle is this? 

 

What is this muscle? 

What muscle is this? 

What muscle is this?