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Stack #129201

MuscleOriginInsertionAction
Sternoclamastoid Sternal head: Top of the manibrum Clavicular head: medial 1/3 clavical mastoid process and the later portion of the superior nuchal line of the occiput Unilaterally: Laterally flex anad rotate head and neck to the same and opposite side Bilaterally: flex head and neck assist in inhalation
Anterior Scalene Transverse processes of the 3-6 cervical vertebrae First rib Unilaterally: laterally flex head and neck to same side. rotate head and neck to opposite side. Bilaterally: Elevate the ribs during inhalation. flex head and neck
Middle Scalene Transverse processes of 2-7 cervical vertebrae First rib Unilaterally: laterally flex head and neck to same side. rotate head and neck to opposite side. Bilaterally: Elevate the ribs during inhalation
Posterior Scalene Transverse processes of the 5-6 cervical vertebrae Second rib Unilaterally: laterally flex head and neck to same side when ribs are fixed. Rotate head and neck to opposite side. Bilaterally: Elevate the ribs during inhalation
Masseter Zygomatic Arch Angle and Ramus of mandible Elevate mandible
Temporalis Temporal fossa and fascia Coronoid processes of the mandible elevate the mandible. retract mandible
Platysma Fascia covering superior part of the pectoralis major base of mandible, skin of lower part of the face assist in depression of the mandible. tighten the fascia of the neck
Occipitofrontalis Galea Aponeurotica Frontalis: skin over the eyebrows. Occiptials: superoir nuchal line of the occiput Frontalis: raise eyebrows and wrinke forhead. Occiptalalis: anchor and retract galea posteriorly
Medial pterygoid medial surface of the ptyergoid plate of the sheniod bone and tuberosity of the maxilla medial surface of the ramus of the mandible laterally deviate the mandible to the opposite. elevate mandbile. protract the mandible
Lateral pterygoid Superior head: infratemporal surface of the greater crest of the sphenoid bone. Inferior head: lateral surface of the pterygoid plate of the sphenoid bone. articular disc and capsule or the temporomandibular joint, neck of mandible laterally deviate mandible to oppostie side. protract mandible
Created by: Tara_Marie
 

 



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