Muscle Actions A&P
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Frontalis/Occipitalis | Raise Eyebrow; Move Scalp
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| Orbicularis Oculi | Close eye
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| Orbicularis Oris | Close lip; Kissing muscle
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| Buccinator | Compress cheek; Draw corners of mouth laterally
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| Zygomaticus (Major/Minor) | Raise corner of mouth; smile
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| Masster | Close jaw; elevate mandible
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| Temporalis | close jaw; elevate mandible
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| Platysma | depress mandible; pulls lower lip back and down
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| Sternocleidomastoid | flex head; rotate head up to opposite side
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| trapezius | adduct, elevates and depresses scapula; extends head
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| Rhomboids (Major/Minor) | adduct scapula; rotates scapula inferiorly
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| Pectoralis Minor | Protract and lower scapula; raise ribs in forced inspiration
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| Serratus Anterior | Protract and rotates scapula
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| Pectoralis Major | Prime mover arm flexion; adduct and medially rotate
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| Latissimus Dorsi | Prime mover arm extention; adduct and medially rotate
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| Deltoid | Prime mover arm abduction
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| Rectus Abdominis, External Oblique, Internal Oblique | Compress abdomen; flex spine (3)
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| Transverse Abdominis | Compress abdomen
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| Biceps Brachii, Brachialis, Brachioradialis | Flex forearm (3)
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| Triceps Brachii | Extend forearm
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| Pronator Teres | Pronate forearm; hand
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| Supinator | Supinate forearm; hand
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| Rectus femoris | Extend knee; flex thigh
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| Vastus medialis, Vastus lateralis, Vastus intermedius | Extend knee (3)
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| Bicep femoris, Semitendinosus, Semimembranosus | Flex knee, extend thigh (3)
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| Tensor fasciae latae | Abduct thigh
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| Adductor longus, Adductor brevis, Adductor magnus | Adduct thigh (3)
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| Gracilis | Adduct thigh
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| Psoas major, Ilicus | Flex vertebral column; flex hip or thigh (2)
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| Gluteus maximus | Extend thigh
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| Gastrocnemius, Soleus | Plantar flexion (2)
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| Tibialis anterior | Dorsiflexion; Inversion
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
kbrabant09
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