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Orbicularis oculi
- Location: Surrounding the eye
- Action: Blinks and squints eyes
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Orbicularis Oris
- Location: Surrounding the mouth
- Action: Closes and purses lips
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Masseter
- Location: Cheek region
- Action: Elevates mandible/ closes lower jaw
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Platysma
- Location: Anterior neck
- Action: Depresses mandible/ frowning
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Zygomaticus
- Location: Cheek region
- Action: Raises lateral corners of mouth/smiling
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Sternocleidomastoid
- Location: Anterior/lateral neck region
- Action: Rotates and flexes neck
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Muscle
Trunk and Brachial Region
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Pectoralis major
- Location: Anterior chest
- Action: Flexes and adducts arm
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Deltoid
- Location: Shoulder
- Action: Abducts the arm
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Latissimus dorsi
- Location: Lower back
- Action: Extends and adducts arm
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Trapezius
- Location: Posterior thorax and neck
- Action: Raises scapula and extends neck
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Rectus abdominis
- Location: Anterior trunk
- Action: Flexes trunk
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External oblique
- Location: Anterior trunk
- Action: Flexes and rotates the trunk
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Erector spinae
- Location: Posterior trunk
- Action: Extends trunk
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Diaphragm
- Location: Between Thoracic and Abdominal Cavities
- Action: Increases volume of thoracic cavity during inspiration
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Triceps Brachii
- Location: Posterior upper arm
- Action: Extends arm
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Biceps brachii
- Location: Anterior upper arm
- Action: Flexes elbow
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Supraspinatus
- Location: Superior to scapular spine
- Action: Stabilizes shoulder, assists in arm abduction
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Infraspinatus
- Location: Inferior to the scapular spine
- Action: Stabilizes shoulder, laterally rotates arm
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Teres minor
- Location: Inferior to the scapular spine
- Action: Stabilizes shoulder, laterally rotates arm
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Muscle
Antebrachial Region
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Brachioradialis
- Location: Lateral forearm
- Action: Flexes and stabilizes elbow
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Flexor carpi radialis
- Location: Anterior forearm
- Action: Flexes and abducts wrist
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Flexor crpi ulnaris
- Location: Anterior forearm
- Action: Flexes and adducts wrist
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Extensor carpi ulnaris
- Location: Posterior forearm
- Action: Extends and adducts wrist
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Muscle
Pelvic and femoral region
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Gluteus maximus
- Location: Buttocks
- Action: Extends, laterally rotates and abducts thigh
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Gluteus medius
- Location: Buttocks
- Action: Abducts and rotates thigh
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Sartorius
- Location: Anterior thigh
- Action: Flexes and laterally rotates thigh
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Rectus femoris
- Location: Anterior thigh
- Action: Flexes thigh and extends knee
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Vastus lateralis
- Location: Anterior thigh
- Action: Extends knee
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Vastus medialis
- Location: Anterior thigh
- Action: Extends knee
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Vastus intermedius
- Location: Anterior thigh
- Action: Extends knee
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Biceps femoris
- Location: Posterior thigh
- Action: Extends thigh and flexes knee
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Semitendinosus
- Location:Posterior thigh
- Action: Extends thigh and flexes knee
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Semimembranosus
- Location: Posterior thigh
- Action: Extends thigh and flexes knee
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Gracilis
- Location: Medial thigh
- Action: Adducts and flexes thigh
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Muscle
Lower leg and foot
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Tibialis anterior
- Location: Anterior lower leg
- Action: Dorsiflexes foot
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Gastrocnemius
- Location: Posterior lower leg
- Action: Plantar flexes foot
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Soleus
- Location: Posterior Lower leg
- Action: Plantar Flexes foot
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Flexor digitorum brevis
- Location: Sole of foot
- Action: Flexes toes
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