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Muscles of the neck and scapula

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Muscle
Attachment 1 (origin)
Attachment 2 (insertion)
Action 1
Action 2
Other actions
Innervation
Sternocleidomastoid   Manubrium of sternum; clavicle   Mastoid process of temporal bone   Neck flexion   Lateral flexion of the neck and head   Contralateral rotation of the neck and head   Spinal Accessory Nerve (cn 11)  
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Platysma   Pectorlis major and deltiod   Mandible   Depresses lower lip and jaw   neck flexion     Cervical branch of Facial Nerve (cn 7)  
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Scalenes   Transverse processes of cervical vertebrae   1st and 2nd rib   Elevate first two ribs   Assist in neck flexion   Lateral flexion of neck   Cervical spinal nerves  
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Splenius capitis   Nuchal ligament and spinous processes of C7 to T4   Occipital bone and mastoid process   Extension of the head and neck   Ipsilateral rotation of the head and neck   Lateral flexion of the head and neck   Cervical spinal nerves  
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Trapezius (the "traps")   Occiput, Nuchal ligament, and Spinous Processes of C7 to T12   Lateral clavicle, Acromion process, and Spine of the scapula   Upper: Elevation and upward rotation of the scapula   Middle: retraction of the scapula   Lower: depression, upward rotation of the scapula   Spinal Accessory Nerve (cn 11)  
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Levator scapulae   Transverse processes of C3 and C4   Medial border of the scapula   Elevation of the scapula   Downward rotation of the scapula     Dorsal scapular nerve  
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Rhomboid major and minor   Spinous processes of C7 to T5   Medial border of the scapula   Retraction of the scapula   Downward rotation of the scapula   Elevation of the scapula   Dorsal scapular nerve  
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Serratus anterior   Ribs 1-9   Anterior surface of the medial border of the scapula   Protraction (abduction) of the scapula   Upward rotation of the scapula     Long Thoracic Nerve  
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Pectoralis minor   Ribs 3-5   Coracoid process of the scapula   Protraction (abduction) of the scapula   Depression of the scapula   Downward rotation of the scapula, Elevation of ribs 3-5   Medial and lateral pectoral nerves  
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Suboccipitals   C1 and C2   Occiput   Postural muscles       Suboccipital nerve  
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Infrahyoids   Hyoid bone   Sternum, thyroid cartilage, scapula, and clavicle   Depression of the hyoid bone       Cervical Plexus, Hypoglassal Nerve (cn 12)  
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Suprahyoids   Hyoid bone   Temporal bone, mandible   Elevation of the hyoid bone       Trigeminal Nerve (cn 5), Facial Nerve (cn 7) , Hypoglossal nerve (cn 12)  
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Stylohyoid   styloid proces   hyoid bone   elevates hyoid   (blank)   (blank)   facial nerve  
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Mylohyoid   mandible   hyoid bone   elevates hyoid   (blank)   (blank)   alveolar nerve  
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Geniohyoid   mandible   hyoid bone   elevates hyoid   (blank)   (blank)   alveolar nerve  
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Sternohyoid   manubrium   hyoid bone   depresses hyoid   (blank)   (blank)   cervical spinal nerve  
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Thyrohyoid   thyriod cartilage   hyoid bone   depresses hyoid   (blank)   (blank)   cervical spinal nerve  
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Longus Capitis   Cervical vertebrae   Occipital bone   flexs- rotates the head   (blank)   (blank)   cervical spinal nerve  
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Longus Colli   Thoracic vertebrae 1, 2   cervical vertebrae 5, 6   bends neck forward   (blank)   (blank)   cervical spinal nerve  
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Scalenus Anterior   cervical vertebrae   first rib   bend cervical forward   (blank)   (blank)   cervical spinal nerve  
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Scalenus Posterior   cervical vertebrae   second rib   bend cervical   (blank)   (blank)   cervical spinal nerve  
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Created by: skpoem
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