Agonist--Antagonist Muscle Pairs and Actions

Elbow Flexion Agonist

Brachialis

Elbow Flexion Antagonist

Triceps Brachii

Elbow Extension Agonist

Triceps Brachii

Elbow Extension Antagonist

Brachialis

Knee Extension Agonist

Quadriceps femoris group

Knee Extension Antagonist

Hamstring group

Knee Flexion Agonist

Hamstring Group

Knee Flexion Antagonist

Quadriceps femoris group

Hip Flexion Agonist

Illiopsoas

Hip Flexion Antagonist

Gluteus Maximus

Hip Extension Agonist

Gluteus Maximus

Hip Extension Antagonist

Iliopsoas

Shoulder Flexion Agonist

Anterior Deltoid

Shoulder Flexion Antagonist

Posterior Deltoid

Shoulder Extension Agonist

Posterior Deltoid

Shoulder Extension Antagonist

Anterior Deltoid

Shoulder Abduction Agonist

Deltoid

Shoulder Abduction Antagonist

Latissimus Dorsi

Shoulder Adduction Agonist

Latissimus Dorsi

Shoulder Adduction Antagonist

Deltoid

Ankle Plantar Flexion Agonist

Gastrocnemius, Soleus

Ankle Plantar Flexion Antagonist

Tibialis Anterior

Ankle Dorsiflexion Agonist

Tibialis Anterior

Ankle Dorsiflexion Antagonist

Gastrocnemius, Soleus

Trunk Flexion Agonist

Rectus Abdominis

Trunk Flexion Antagonist

Erector Spinae

Trunk Extension Agonist

Erector Spinae

Trunk Extension Antagonist

Rectus Abdominis