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38 Cards in this Set
- Front
- Back
Autonomic Nervous system |
sympathetic and parasympathetic |
|
Central nervous system |
Brain
spinal cord |
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PNS
|
cranial nerves
spinal nerves plaxuses |
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plexuses
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cervical
brachial lumbosacral |
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neurons
|
nervecell
–cell body –axons –dendrites myelin –white mater non myelinated–grey matter |
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dendrates
|
recieves impulses to cell body
|
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axons
|
send signal
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afferant nerves
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sensory nerves
|
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efferent nerves
|
motor nerves
conduct from spinal cord to perefery |
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spinal cord
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through vertibral foreman in each indevidual vertebre
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posterior horn
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transmits sensory impulses
afferent |
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anterior horn
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transmits motor impulses
efferent |
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motor impulses travel
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from brain down spinal cord through anterior horn and out of the periphery via peripheral nerves
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sensory impulses travel
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from periphery via peripheral nerves to anterior horn brain down spinal cord through and out of the |
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dermatome
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area of skin supplied with sensory part of a spinal nerve
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myotome
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a muscle (or group of muscles) innervated by a single spinal segment
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cervical plexus
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c1–c4 innervates neck muscles
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brachial plexus
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C5–T1
innervates upper extremity muscles |
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lumbosacral plexus
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L1–S5
innervates lower extremity muscles |
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shoulder girdle
|
clavicle and scapula
|
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shoulder complex
|
shoulder girdle and glenohumoral joint
scapula clavivle sternum humurous ribcage |
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scapulothoracic joint
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allows scapula to move against ribcage but no articular surface
(no fixed point of rotation) not conventional joint |
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scapula
|
triangular shaped bone on from t2–7
spine of scapula t3–4 |
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sternum
|
flat bone anterior chest
manubrium body xiphoid process |
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clavicle
|
collar bone
sternal end acromium end body |
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scapula medial (vertebral) border
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side closest to spine
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scapula axilary border
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side closest to the arm
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scapula spine
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posterior ridge
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coracoid process of scapula
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anterior scapula process
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acromium process of scapula
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posterior scapula process
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sternalclavicular SC joint
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medial aspect of the clavicle with the sternum
only attachment elevation depression protraction retraction axial rotation of the clavical |
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Acromioclavicular joint AC joint
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articulationof the acromium process of the scapula with the lateral end of the clavicle
allows scapular movement in all three planes up downward rotation horizontal |
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scapulathoracic joint movement
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elevation depression
proraction retraction upward and downward rotation scapular tilt superior end of the scapular hyperextends |
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companion motions Glenohumaral joint
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movement of the glenohumaral joint there is also movement in the scapulothoracic joint
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scapulohumoral rhythm
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1st 30 degeres gleno humoral |
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upper motor neurons |
part of cns (before anterior horns) injury = spastic
|
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lower motor neurons |
part of pns (after anterior horns) injury = limited activity
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31 spinal nerves |
C1-8 T1-12 L1-5
5-Sacral 1-Coccygeal |