. A concentric muscle action occurs when:/2022

 A concentric muscle action occurs when:

1. THE PULLING FORCE OF A MUSCLE IS GREATER THAN THE RESISTANCE FORCE
2. THE PULLING FORCE OF A MUSCLE IS LESS THAN THE RESISTANCE FORCE
3. THE PULLING FORCE OF A MUSCLE IS EQUAL TO THE RESISTANCE FORCE
4. THE PULLING FORCE OF A MUSCLE IS GREATER THAN THE FORCE OF GRAVITY