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45 Cards in this Set
- Front
- Back
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Number of Cervical Vertebra
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7
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Number of Thoracic Vertebra
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12
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Number of Lumbar Vertebra
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5
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Number of sacral Vertebra
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5
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Number of coccygeal Vertebra
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3-4
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Zygapophysial: surrounds by (1)
(2) supplied by |
1) fibrous capsule
2) posterior rami |
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Name the four types of Deep cervical fascia
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Investing, pretracheal layer, prevertebral layer and carotid shealth
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Number of synovial joints in the atlanto-axial joints
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3 - median and two lateral
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injury to Sternocleidomastoid
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torticollis -> Branch of accessory nerve may become trapped
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Anterior Vertebral muscles
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Longus colli and capitis
rectus capitis muscles anterior scalene muscles |
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Lateral Vertbral muscles
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Rectus capitis lateralis
splenius capitis levator scapulae middle and posterior scalene muscles |
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Superficial muscles of the back
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Trapezius
latissimus dorsi rhomboids levator scapulae |
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Superficial muscles of the back (except the trap) are innervated by
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ventral rami
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Lateral muscles
Innverated by |
Scalenus
laterally flex neck anterior rami of cervical nerves |
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Prevertebral muscles
innverated by |
anterior rami of cervical nerves
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erector spinae supplied by
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dorsal rami
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Postvertebral muscles
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oppose the weight of the head/acting in front of the occipital condyles
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Layer 1
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Trapezius (investing fascia)
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Layer 2
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splenius muscles and levator scapulae (prevertebral fascia)
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Layer 3
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semispinalis capitis (prevertebral fascia)
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Layer 4
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semispinalis cervicis
suboccipital muscles |
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The accessory nerve origin
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upper 5 cervical segments
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Where does it pass?
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Through investing fascia in roof of posterior triangle
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What does it supply?
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motor fibres to SCM and trapezius
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Sensory fibres derived from
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C2-4
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Cervical nerve roots
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Recurrent meningeal nerves
ventral rami - cervical and brachial plexuses dorsal rami - supply structures posterior to transverse processes |
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Recurrent meingeal nerve
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contains sensory and sympathetic fibres
supplies intra canal structures i-V disc |
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What may pierce the scalenus medius?
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Dorsal scapular nerve
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Cervical plexus derived from?
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anterior rami of C2-4
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Sensory distrubution ?
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skin of neck side of head via branchs of occipital C2, great auricular C2, 3, transverse cervical C2,3, supraclavicular C3,4.
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Deep branches derived from?
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Ventral rami of C1-3
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Motor supply to strap muscles?
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C1 fibres via the hypoglossal nerve to supply throhyoid
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Cervical dorsal posterior rami supply?
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capsule of facet joints, deep back muscles (erector spinae) that move the joint and the overlying skin
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Posterior ramus C1
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motor to intrinsic muscles of the back no sensory fibres
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Posterior ramus C2
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largest sensory nerve-supplies skin of back of neck as far as vertex....no motor
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Common carotid passes in carotid shealth to level?
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C3/4
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Internal carotid
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no branches in neck
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Subclavin system
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supplies upper limbs 1/2 of brain most of spinal cord
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Main branch in neck
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vertebral passes in triangle between longus colli and scalenus anterior
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Vertebral artery
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supplies spinal cord + 1/2 brain
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1st part
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subclavian artery to transverse foramen C6
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2nd part
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transverse foraminae C6-C2
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3rd part
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grooves posterior arch c1
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4th part
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passes through foramen magnum becomes continuous with other side to form basilar artery
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Lymph drainage main two
are? |
upper group - jugulodigastric or tonsillar node drains palatine tonsils
lower group - supraclavicular "first sentinal" |
