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Adductor
To adduct the hindlimb and to extend the hip
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Anterior deep pectoral
To adduct and retract the forelimb
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Biceps brachii
To flex the elbow
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Biceps femoris
To extend and abduct the hindlimb
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Brachialis
To flex the elbow
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Brachiocephalicus
Extension of the head and neck
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Coracobrachialis
To adduct the forelimb and flex the shoulder
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Deltoideus
To flex the shoulder and abduct the limb
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Digital extensors (forelimb)
To extend the digits and the wrist and to flex the elbow
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Digital extensors (hindlimb)
To extend the digits and to flex the ankle
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Digital flexors (hindlimb)
To flex the digits and extend the ankle
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Extensor carpi obliquus
To extend the wrist
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Extensor carpi radialis
To extend and fix the wrist and to flex the elbow
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External oblique
To compress the abdominal viscera, as in defecation and expiration, and to flex the trunk
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Flexor carpi radialis
To flex the wrist and extend the elbow
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Flexor carpi ulnaris
To flex the wrist and extend the elbow
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Gastrocnemius
To extend the ankle or to flex the knee
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Soleus (Achilles Tendon)
To extend the ankle or to flex the knee
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Gluteus medius
To extend the hip and abduct the limb
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Gracilis
To adduct the hindlimb
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Iliacus
To flex the hip and rotate the thigh outward
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Infraspinatus
To abduct the limb and rotate it outward
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Latissimus dorsi
To draw the humerus upward and backward and to flex the shoulder
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Longissimus dorsi
Extension of the back and neck or lateral flexion of the back
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Masseter
To bring the jaws together
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Pectineus
To adduct the hindlimb and flex the hip
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Psoas major
To flex the hip and rotate the thigh outward
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Peroneus longus
To flex the ankle
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Peroneus tertius
Mechanically to flex the ankle when the knee is flexed
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Posterior deep pectoral
To adduct and retract the limb
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Rectus abdominis
To compress the abdominal viscera, as in defaction and expiration, and to flex the trunk
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Rectus femoris
To extend the knee and flex the hip
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Rhomboideus (cephalic part)
To draw the scapula forward
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Rhomboideus (cervical & thoracic parts)
To draw the scapula upward and forward
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Sartorius
To flex the hip and adduct the limb
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Semimembranosus
To extend the hip and adduct the hindlimb
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Semitendionsus
To extend the hip
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Serratus ventralis
To suspend and raise the thorax
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Splenius
To elevate or incline the head and neck
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Sternocephalicus
To flex or incline the head and neck
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Sternothyrohyoideus
To retract and depress the hyoid bone, the base of the tongue, and the larynx, as in swallowing
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Superficial pectoral
To adduct the forelimb
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Supraspinatus
To extend the shoulder
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Tensor fascia lata
To tense the fascia lata, flex the hip, and extend the knee
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Teres major
To flex the shoulder and adduct the limb
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Teres minor
To flex the shoulder, abduct the forelimb, and assist in outward rotation
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Tibialis anterior
To flex the ankle
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Trapezius
To elevate the shoulder
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Triceps (medial head)
To extend the elbow
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Triceps (lateral head)
To extend the elbow
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Triceps (long head)
To extend the elbow
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Ulnaris lateralis
To flex the wrist and extend the elbow
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Vastus lateralis
To extend the knee
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Vastus medialis
To extend the knee
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