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34 Cards in this Set
- Front
- Back
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What are the muscles that make up the erector spinae from lateral to medial?
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Iliocostalis
Longissimus Spinalis |
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Erector spinae
(Iliocostalis, Longissimus, Spinalis) |
O: Head
I: Sacrum A: (Bi) Back extension, (Uni) Ipsilateral lateral flexion N: Spinal |
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Sternocleidomastoideus
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O: Sternum & medial clavicle
I: Mastoid process A: (Bi) cervical flexion, (Uni) Ipsilateral lateral flexion, Contralateral cervical rotation N: Accessory (CN XI) |
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The accessory nerve is which cranial nerve?
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CN XI
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Scalenes
(Anterior, middle, posterior) |
O: Cervical vertebrae & transverse processes
I: 1st & 2nd ribs A: (Bi) Cervical flexion, (Uni) Ipsilateral lateral flexion, contralateral lateral rotation N: Cervical |
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Splenius capitis
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O: spinous processes of C7-T3
I: Occipital bone A: (Bi) Cervical extension, (Uni) Ipsilateral lateral flexion & ipsilateral cervical rotation N: Cervical |
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Splenius cervicis
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O: Spinous process of C7
I: Spinous process of C2 A: (Bi) Cervical extension, (Uni) Ipsilateral lateral flexion, ipsilateral cervical rotation N: Cervical |
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What is the purpose of the spinal column?
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support
distributes weight protects spinal cord absorbs shock |
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How many vertebrae are there
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Cervical (7)
Thoracic (12) Lumbar (5) Sacrum (5 fused) Coccyx (3-5 fused) |
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What motion occurs at the atlanto-occipital joint?
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Cervical flexion & extension
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What motion occurs at the atlanto-axial joint
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Cervical rotation
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What motions occur in the cervical vertebrae
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Flexion/Extension
Rotation Lateral flexion |
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What motions occur in the thoracic vertebrae
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Lateral flexion
Rotation |
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Where does most of the movement during lateral flexion of the thorax occur?
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T12
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What motions occur in the lumbar vertebrae
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Flexion/Extension
Rotation |
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Rectus abdominis
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O: pubis
I: Ribs 5-7 & xiphoid process A: Trunk flexion N: Thoracic |
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External oblique
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O: Ribs 5-12
I: Iliac crest & abdominal aponeurosis A: (Bi) Trunk flexion, (Uni) Ipsilateral lateral flexion, Contralateral trunk rotation N: Thoracic |
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Internal oblique
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O: Iliac crest, thoracolumbar fascia, inguinal ligament
I: Ribs 10-12 & abdominal aponeurosis A: (Bi) Trunk flexion, (Uni) Ipsilateral lateral flexion, ipsilateral trunk rotation N: Thoracic |
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Transverse abdominis
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O: Inguinal ligament, iliac crest, thoracolumbar fascia, last 6 ribs
I: Abdominal aponeurosis to linea alba A: Abdominal compression N: Thoracic |
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Quadratus lumborum
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O: Iliac crest
I: 12th rib & transverse processes of lumbar spine A: (Uni) Ipsilateral lateral flexion N: Lumbar |
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Multifidus Action
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(Bi) Trunk extension & posterior pelvic tilt, (Uni) trunk rotation & lateral flexion
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During Kyphosis-Lordosis poster, what occurs?
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Forward head
Increased thoracic kyphosis Increased lumbar lordosis Anterior pelvic tilt Shortened neck extensors Elongated neck flexors Shortened hip flexors Elongated hamstrings Weak abdominals |
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During swayback posture, what occurs?
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Thoracic spine elongated and posterior to plumb line
Decreased lumbar lordosis Posterior pelvic tilt Forward head Weak hip flexors Tight hamstrings |
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What occurs during flat-back posture
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Forward head
Lower thoracic spine & lumbar spine are straight Posterior pelvic tilt Elongated hip flexors Shortened hamstrings Elongated back muscles |
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What occurs during military-type posture
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Increased lumbar lordosis
Anterior pelvic tilt Decreased cervical lordosis Weak rectus abdominis Elongated hamstrings Hip flexors lengthened |
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Temporalis
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O: Temporal fossa
I: Coronoid process of mandible (runs under zygomatic arch) A: (Bi) Mandibular elevation, (Uni) Ipsilateral lateral deviation N: Trigeminal (CN V) |
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Which cranial nerve is the trigeminal nerve?
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CN V
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Masseter
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O: Zygomatic arch
I: Mandible A: (Bi) Mandibular elevation, (Uni) Ipsilateral lateral deviation N: Trigeminal (CN V) |
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Medial pterygoid
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O: Sphenoid bone
I: Mandible (inside of jaw) A: (Bi) Mandibular elevation & protrusion, (Uni) Contralateral lateral deviation N: Trigeminal (CN V) |
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Lateral pterygoid
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O: Sphenoid wing
I: Mandible (inside jaw) A: (Bi) Mandibular depression & protrusion, (Uni) Contralateral lateral deviation N: Trigeminal (CN V) |
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Diaphragm
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O: Vertebral bodies & rib cage
I: Central tendon A: Concentrically depresses N: Phrenic |
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External intercostals
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O: Rib above
I: Rib below A: Elevation of ribs during inspiration N: Intercostal |
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Internal intercostals
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O: Rib below
I: Rib above A: Depression of ribs during expiration N: Intercostal |
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What are the 3 types of ribs and how many of each
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True ribs (1-7)
False ribs (8-10) Floating ribs (11&12) 24 ribs total |
