Basic Kinesiology: Agonist / Antagonist Muscles

For example, when doing biceps curls, the biceps are the agonists, the triceps are the antagonists and various muscles including the deltoids are the stabilizer muscles.

However, when doing a triceps push down, now the triceps are the agonists and the biceps are the antagonists.

Again the deltoid muscles are the stabilizer muscles.

The agonist/antagonist relationship changes depending on which muscle is expected to do the work. However, every muscle group has an opposing muscle group.

Muscle balance is that relationship between the Agonist and Antagonist. It is important to have muscle balance to prevent injury. If the Agonist is much stronger than the Antagonist is, the Agonist can overpower and injure the Antagonist.basic kinesiology

To continue, click here: Basic Kinesiology: Tendons and Ligaments

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