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KCCAP2muscle06

Anterior Muscles

NameAction
Sternocleidomastoid Turns chin to opposite side, elevates (expands) thorax during forced inhalation.
Scalenes - Anterior, Middle Elevation of ribs during forced inhalation or bending of neck toward side of contracting.
Sternohyoid Depresses hyoid bone.
Pectoralis Major Flexion and adduction of arm.
Pectoralis Minor Draws scapula anteriorly and medially ( as in pointing the shoulder forward).
External Intercostals Elevates and expands rib cage during inhalation, (located between ribs).
External Oblique Compression of abdomen (forced exhalation, etc.), rotation and lateral flexion of "trunk".
Internal Oblique Compression of abdomen (forced exhalation, etc.), rotation and lateral flexion of "trunk".
Rectus Abdominus Compression of abdomen and flexion of "trunk".
Biceps Brachii Flexion and supination of forearm.
Brachialis Flexion of forearm.
Coracobrachialis Flexion and adduction of arm.
Brachioradialis Flexion of arm.
Flexor Carpi Radialis Flexion and abduction of hand at wrist.
Flexor Digitorum Flexion of phlanges, digits 2 - 5.
Flexor Carpi Ulnaris Flexion and adduction of hand at wrist.
Extensor Digitorum Extension of phlanges 2 -5.
Extensor Carpi Radialis Extension and abduction of the wrist.
Extensor Carpi Ulnaris Extension and adduction of hand at wrist.
Sartorius Flexion of thigh and leg.
Rectus Femoris Flexion of thigh and extension of leg.
Vastus Lateralis Extension of leg.
Vastus Medialis Extension of leg.
Vastus Intermedius Extension of leg.
Gracilis Adduction of thigh and flexion of leg.
Adductor Longus Adduction of thigh.
Tibialis Anterior Dorsiflexion and inversion of foot.
Created by: DKstudy