MSA2 Final Palpation.txt

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Author:
barbostick
ID:
86243
Filename:
MSA2 Final Palpation.txt
Updated:
2011-05-17 08:28:22
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Soma MSA2 final palpation
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Description:
Review for the MSA2 palpation test
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  1. Temporalis
    • Origin: Temporal fossa and fascia
    • Insertion: Coronoid process of the mandible and anterior edge of ramus
    • Actions: elevates and retracts mandible
    • NR
    • S (primarily)
    • Palpate east to west
    • Confirmation: Bite down
  2. Masseter
    • Origin: Zygomatic arch
    • Insertion: Angle and ramus of mandible
    • Actions: Elevates mandible; may assist to protract mandible
    • NR
    • B- deep to itself
    • Palpate east to west
    • Confirmation: clench teeth
  3. Spinalis
    • Most medial
    • Origin: Thoracolumbar aponeurosis, SPs of upper lumbar and lower thoracic vertebrae, Ligamentum nuchae
    • Insertion: Ascending SPs except C1
    • Bilateral action: Extends the head and spine
    • Unilateral actions: ipsilateral lateral flexion of neck and trunk (bending side to side)
    • Nonropy
    • Deep to trap, lats, and part of longissimus
  4. Longissimus
    • Dense, feels ropy
    • Origin: Thoracolumbar aponeurosis; TVPs thoracic region
    • Insertion: Ascending TVPs, mastoid process
    • Bilateral action: extends head and spine (primary)
    • Unilateral actions: ipsilateral lateral flexion of neck and trunk; ipsilateral rotation of head and neck
    • Nonropy
    • Deep to traps and lats
  5. Iliocostalis
    • Very flat and broad
    • Origin: Thoracolumbar aponeurosis; iliac crest
    • Insertion: Ascending rib to rib; loweral cervical TVPs (ends by medial border of the scap)
    • Bilateral action: extends the spine
    • Unilateral actions: Ipsilateral lateral flexion of neck and trunk (where it crosses C7); ipsilateral rotation of neck
    • Nonropy
    • Deep to trap and lat
  6. Splenius Capitis
    • Origin: Inferior one-half of ligamentum nuchae; SPs C7 - T4
    • Insertion: Lateral nuchal line of the occiput; mastoid process of temporal bone
    • Bilateral action: extends head and neck
    • Unilateral action: ipsilateral rotation of head and neck; ipsilateral lateral flexion of head and neck
    • Nonropy
    • Both; deep to trap and superficial on upper lateral neck
  7. Trapezius
    • Origin- EOP, medial portion of the superior nuchal line, ligamentum nuchae, SPs of C7 - T12
    • Insertion- Lateral portion of clavicle, acromion, spine of scapula (same as origins of deltoid)
    • 3 separate muscle bellies
    • Upper bilateral- extends head and neck
    • Upper unilateral- laterally flexes, rotates head and neck to contralateral side, upwardly rotates scapula, elevates scapula
    • Middle trap- Adducts scap, stabilizes scap
    • Lower trap- Depresses scap, upwardly rotates
    • NR, S
  8. Rhomboids
    • Origins: Major- SPs of T2-T5; Minor- SPs of T1 and C7
    • Insertion: medial border of the scapula between the spine and inferior border
    • Actions: adduction of the scap (primary), elevation and downward rotation of the scap
    • NR; deep to trapezius
  9. Levator Scapula
    • Origin: TVPs of C1 - C4
    • Insertion: Medial border of the scapula, between the superior angle and above the spine of the scap
    • Actions: Unilaterally- Elevates scap (primary), downwardly rotates, laterally flexes the head and neck, rotates head to same side (ipsilaterally); bilaterally- extends head and neck
    • NR; Both- deep at origin and insertion
  10. Pectoralis Minor
    • Origin- ribs 3, 4 and 5
    • Insertion- Coracoid process of scap
    • Actions- Depresses scap, abducts scap, downwardly rotates scap, assists in forced inspiration
    • NR; deep
  11. SCM
    • Origins: Sternal head- superior manubrium; clavicular head- medial third of superior clavicle
    • Insertions: Mastoid process of temporal bone; lateral superior nuchal line of occiput (same as splenius capitis)
    • Bilateral actions: neck flexion, assists to elevate the ribs in inhalation
    • Unilateral actions: ipsilateral lateral flexion of head; contralateral roation of head
    • Ropy at manubrium
    • Superficial
  12. Anterior Scalenes
    • Origin: TVPs of C3 - C6
    • Insertion: First rib
    • Bilateral actions: Elevates ribs during forced inhalation; neck flexion
    • Unilateral actions: ipsilateral lateral neck flexion; contralateral cervical rotation
    • Nonropy
    • Both- deep to SCM
  13. Middle Scalenes
    • Origin: TVPs of C2 - C7
    • Insertion: First rib
    • Bilateral actions: Elevates ribs during forced inhalation
    • Unilateral actions: ipsilateral lateral neck flexion; contralateral cervical rotation
    • Nonropy
    • Both- deep to SCM (clavicular head)
  14. Posterior Scalenes
    • Origin: TVPs of C6 - C7
    • Insertion: Second rib
    • Bilateral actions: Elevates ribs during forced inhalation
    • Unilateral actions: ipsilateral lateral neck flexion; contralateral cervical rotation
    • Nonropy
    • Both- deep to SCM
  15. Rectus Abdominis
    • Origin: Pubic crest, pubic symphysis
    • Insertion: Cartilage of ribs 5-7 and xiphoid process
    • Action: Flexion of the trunk (insertion to origin); tilts pelvis posteriorly (origin to insertion)
    • Nonropy
    • Superficial
  16. Quadratus Lumborum
    • Origin: Posterior iliac crest, iliolumbar ligament
    • Insertion: 12th rib, TVPs L1- L4
    • Bilateral actions: assists in trunk extension, fixes 12th rib during respiration
    • Unilateral actions: Ipsilateral lateral flexion of trunk (insertion to origin), elevation of hip (origin to insertion)
  17. External Oblique
    • Origin: External surface of lower 8 ribs
    • Insertion: Anterior iliac crest and abdominal aponeurosis
    • Bilateral action: Flexion of trunk
    • Unilateral actions: ipsilateral lateral flexion of the trunk, contralateral rotation of the trunk
  18. Internal Oblique
    • Origin: Lateral inguinal ligament, iliac crest, thoracolumbar aponeurosis
    • Insertion: Cartilage of lower 3 ribs, abdominal aponeurosis to linea alba
    • Bilateral action: flexion of the trunk and compresses the abdominal contents
    • Unilateral action: ipsilateral lateral flexion and rotation of the trunk
    • Nonropy
    • Deep to external oblique

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