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Muscles, innervations, orginis, insertions, actions, and mmt

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Question
Answer
Temporalis Origin   Origin: Temporal fossa and fascia  
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Masseter Innervation   Trigeminal  
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Temporalis Innervation   Trigeminal  
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Temporalis Action   Closes the jaw  
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Masseter Origin (Superficial portion)   Zygomatic process of themaxilla and lower border of the zygomatic arch  
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Masseter Insertion (Superficial portion)   Angle and ramus of the mandible  
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Masseter Action (both portions)   Closes the jaw  
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Masseter Origin (Profundus portion)   Posterior 1/3 of inferior border and medial surface of the zygomatic arch  
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Masseter Inserstion (Profundus portion)   Superior 1/2 of ramus and lateral surface of coronoid process of mandible  
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Medial Pterygoid Innervation   Trigeminal  
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Buccinator Innervation   Facial  
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Buccinator Action   Compresses the cheeks  
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Orbicularis Oris Innervation   Facial  
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Orbicularis Oris Action   Closes lips and protrudes them forward  
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Mentalis Innervation   Facial  
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Mentalis Action   Raises and protrudes the lower lip and wrinkles the skin on chin, as in pouting  
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Levator Anuli Oris Innervation   Facial  
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Levator Anguli Oris Action   Depresses the nasolabial furrow, as in expressions of contempt or disdain  
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Zygomaticus Major Innervation   Facial  
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Zygomaticus Major Action   Draws angle of the mouth up and out , as in a smaile  
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Corrugator Supercilli Innervation   Facial  
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Corrugator Supercilli Action   Draws the eyebrow downward and inward with vertical wrinkles in forehead; "frownign muscle"  
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Temporalis Insertion   Insertion: Coronoid process & anterior border of ramis of the mandible  
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Medial Pterygoid Origin   Medial surface of the lateral ptergyoid plate, pyramidal process of the palatine bone and tuberosity of the maxilla  
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Medial Pterygoid Insertion   Interior & posterior part of medial surface of the ramus and angle of the mandibular foramen  
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Medial Pterygoid Action   Closes the jaw  
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Frontalis Innervation   Facial  
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Frontalis Action   Raises the eyebrow and wrinkles the forehead, as in expressions of suprise or fright  
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Depressor Anguli Oris Innervation   Facial  
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Depressor Anuli Oris Action   Depresses the angle of the mouth  
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Orbicularis Oculi Innervation   Facial  
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Orbicularis Oculi Action   Closes the eye  
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Platysmus Innervation   Facial  
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Platysmus Action   Retracts and depresses the angle of the mouth  
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Sternocleidomastoid Innervation   C2, 3, 4, Spinal accessory cranial nerve XI  
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Sternocleidomastoid Medial or Sternal Head Origin   Cranial part of the manubrium sterni  
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Sternocleidomastoid Lateral or Clavicular Head Origin   Medail 1/3 of clavicle  
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Sternocleidomastoid Medial or Sternal Head Insertion   Lateral surface of mastoid process  
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Sternocleidomastoid Lateral or Clavicular Head Insertion   Lateral 1/2 of superior nuchal line of occipital bone  
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Sternocleidomastoid Action Bilaterally   Extenstion, flexion, and lateral flexion  
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Sternocleidomastoid Action Unilaterally   Rotation towards the opposite side  
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Scalenus Anterior Innervation   VPR, C4,5,6  
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Scalenus Anterior Origin   Anterior tubercle of transverse processes of 3rd-6th cervical vertebrae  
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Scalenus Anterior Insertion   Scalene tubercle and cranial crest of the first rib  
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Scalenus Anterior Action Bilaterally   Flexion and lateral flextion of neck  
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Scalenus Anterior Action Unilaterally   Rotation towards the same side  
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Scalenus Medius Innervation   VPR, C3-8  
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Scalenus Medius Origin   Posterior tubercles of transverse processes of C2-7  
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Scalenus Medius Insertion   First rib, cranial surface between tubercle and subclavian groove  
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Scalenus Medius Action Bilaterally   Lateral flexion of the neck  
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Scalenus Medius Action Unilaterally   Rotation towards opposite side  
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Scalenus Posterior Innervation   VPR, C6-8  
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Scalenus Posterior Origin   By two or three tendons from posterior tubercles of transverse processes of last two or three cervical vertebrae  
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Scalenus Posterior Insertion   Outer surface of the second rib  
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Scalenus Posterior Action Bilaterally   Lateral flexion of the neck  
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Scalenus Posterior Action Unilaterally   Rotation towards opposite side of neck  
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Rectus Capitus Posterior Major Innervation   Dorsal Ramus of C1  
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Rectus Capitis Posterior Major Origin   Starts by a pointed tendon from the spine of the axis and becoming broader as it ascends  
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Rectus Capitis Posterior Major Insertion   Attached to the lateral part of the inferior nuchal line of the occipital bone and the bone immediately below the line  
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Rectus Capitis Posterior Major Action Bilaterally   Extends the head  
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Rectus Capitis Posterior Major Action Unilaterally   Turns the face towards the same side  
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Recus Capitis Posterior Minor Innervation   Dorsal Ramus of C1  
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Rectus Capitis Minor Origin   Arises by a narrow pointed tendon from teh tubercle on the posterior arch of the atlas (C1)  
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Rectus Capitis Minor Insertion   Medial part of the inferior nuchal line of the occipital bone and also the bone between teh line and the foramen magnum  
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Rectus Capitis Minor Action   Extension of the neck  
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Obliquus Capitis Superior Innervation   Dorsal Ramus of C1  
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Obliquus Capitis Superior Origin   Arrises by tendinous fibers from the upper surface of the transverse processes of C1  
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Obliquus Capitis Superior Insertion   Occipital bone between superior and inferior nuchal lines, lateral to teh semispinalis capitis and overlapping the insertion of the recuts capitis posterior major  
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Obliquus Capitis Superior Action   Extension and lateral flexion of the neck  
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Obliquus Capitis Inferior Innervation   Dorsal Ramus of C1  
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Obliquus Capitis Inferior Origin   Lateral surface of the spine and adjacent part of the upper part of the lamina of C1  
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Obliquus Capitis Inferior Insertion   Lower and back part of the transverse process of C1  
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Obliquus Capitis Inferior Action   Unilaterally-rotation of head to same side  
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Splenius Capitus Innervation   Dorsal Rami of C1-8  
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Splenius Capitus Action Unilaterally   Extension, lateral flexion and rotation of the neck to the ssame side  
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Splenius Capitis Action Bilaterally   Extension of the neck  
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Splenius Cervicis Innervation   Dorsal Rami C1-8  
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Splenius Cervicis Action Bilaterally   Extension of neck  
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Splenius Cervicis Action Unilaterally   Extension, lateral flexion, and rotation of the neck, turning face towards the same side  
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Semispinalis Cervicis Innervation   dorsal rami of C1-8  
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Semispinalis Cervicis Action   Extension of vertebral column and rotation toward opposite side in upper thoracic and cervical areas  
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Semispinalis Cervicis Innervation   Dorsal Rami of C1-8  
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Semispinalis Cervicis Action   Extension of vertebral column and rotation toward opposite side in upper thoracic and cervical areas  
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Semispinalis Capitis Innervation   Dorsal Rami of C1-8  
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Semispinalis Capitis Action   Extension of neck and rotation of head toward opposite side  
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Longissimus Cervicis Innervation   Dorsal Rami of C1-8  
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Longissimus Cervicis Action   Extension and lateral flexion of vertebral column in cervical area; draws ribs downward  
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Cervical Erector Spinae Innervation   Dorsal Rami C1-8  
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Cervical Erector Spinae Action   Extension of vertebral column in cervical region  
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Longus Colli Innervation   Ventral Rami of C2-6  
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Longus Colli Action   Neck flexion  
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Longus Capitus Innervation   Ventral Rami of C1-5  
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Longus Capitus Action   Neck Flexion  
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Rectus Capitus Anterior and Lateralis Innervation   Branches from the loop between VPR of C1 and C2  
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Rectus Capitus Anterior and Lateralis Action   Neck Flexion  
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Lumbar Erector Spinae Innervation   Adjacent DPR of spinal nerve  
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Lumbar Erector Spinae Action   Back Extension  
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Lumbar Multifidus Innervation   Adjacent DPRof spinal nerve  
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Lumbar Multifidus Action   Back Extension  
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Quadratus Lumborum Innervation   Ventral Rami of T12, L1,2,3  
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Quadratus Lumborum Origin   Iliolumbar ligament, iliac crest  
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Quadratus Lumborum Insertion   Inferior border of the last rib and transverse procersses of L1-4  
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Quadratus Lumborum Action   Elevation of pelvis on side being tested  
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Rectus Abdominis Innervation   Ventral Primary Rami of T6-12 and L1  
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Rectus Abdominis Origin   Pubic crest and symphysis  
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Rectus Abdominis Insertion   Costal cartilages of the 5-7th ribs and xiphoid process  
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Rectus Abdominis Action   Flexes the vertebral column by approximating the thorax and pelvis anteriorly with the pelvis fixed, the thorax will move toward the pelvis; withthe thorax fixed the pelvis will move toward the thorax  
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Internal Oblique Lower Anterior Fibers Innervation   Ventral Rami T6-12  
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Internal Oblique Lower Anterior Fibers Origin   Lateral 2/3 of inguinal ligament and short attachment on iliac crest near ASIS  
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Internal Oblique Lower Anterior Fibers   With the transverse abdominis into cres of the pubis medial part of the pectineal line and into the lina alba by means of an aponeurosis  
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Internal Oblique Lower Anterior Fibers Action   Compress and support teh lower abdominal viscera in conjunction with the transversus abdominus  
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Internal Obliques Upper Anterior Fibers Innervation   VPR T6-12  
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Internal Obliques Upper Anterior Fibers Origin   Anteior 1/3 of intermediate line of iliac crest  
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Internal Obliques Upper Anterior Fibers Insertion   Linea alba by means of aponeurosis  
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Internal Obliques Upper Anterior Fibers Action Bilaterally   Flex vertebral column and support and compress the abdominal viscera, depress the thorax ande assist in respiration  
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Internal Obliques Upper Anterior Fibers Action Unilaterally   In conjunction with anterior fibers of external obliques on the opposite side, the upper anterior fibers rotate the vertebral column, bringing the thorax backwards when pelvis is fixed or the pelvis forward when thorax is fixed  
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Internal Obliques Lateral Fibers Innervation   VPR T6-12  
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Internal Obliques Lateral Fibers Origin   Middle 1/3 of intermediate line of the iliac crest and the thoracolumbar fascia  
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Internal Obliques Lateral Fibers Insertion   Inferior borders of ribs 10-12 and the linea alba by means of an aponeurosis  
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Internal Obliques Lateral Fibers Action Bilaterally   Flex the vertebral column and depress thorax  
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Internal Obliques Lateral Fibers Unilaterally   with the lateral fibers of the external oblique on the same side laterally flex the vertebral column; also act with external oblique on opposite side to rotate the vertebral column  
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External Oblique Anterior Fibers Innveration   VR T6-12  
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External Oblique Anterior Fibers Origin   External Surfaces of ribs 5-8, interdigitating with the serratus anterior  
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External Oblique Anterior Fibers Insersion   Into a broad, flat aponeurosis, terminating in the linea alba, which is a tendinous raphe that extends from teh xiphoid  
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External Oblique Anterior Fibers Action Bilaterally   Flex the vertebral column, support and compress the abdominal vicera, depress the thorax and assist in respiration  
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External Oblique Anterior Fibers Unilaterally   With anterior fibers of internal oblique, rotate the vertebral column, bring the thorax forward when pelvis is fixed and vice versa  
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External Oblique Lateral Fibers Origin   External surface of the 9th rib, interdigitating with the serratus antrior, and external surfaces of the 10th-12th ribs, interdigitating with the latissimus dorsi  
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External Oblique Lateral Fibers Insertion   as the inguinal ligament, into the anterosuperior spine and pubic tubercle and into the external lip of the anterior 1/2 of the iliac crest  
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External Oblique Lateral Fibers Innervation   Dorsal rami of T6-12  
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External Oblique Lateral Fibers Action Bilaterally   Flex the vertebral column with a major infuence on the lumbar spine, tilting the pelvis posteriorly  
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External Oblique Lateral Fibers   With the fibers of the internal oblique on the same side, these fibers of the external oblique latterally flex the vertebral column (comparable to the sternocleidomastoid's action on the head)  
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