Term
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Definition
the spinal nerve is formed from the union of what two things? |
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Term
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Definition
this contains efferent or motor fibers (away from CNS) |
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Term
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Definition
this contains afferent or sensory fibers (towards CNS) |
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Term
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Definition
how many pairs of spinal nerves are there? |
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Term
8 cervical 12 thoracic 5 lumbar 5 sacral 1 coccygeal |
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Definition
what are the different regions of the 31 pairs of spinal nerves? |
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Term
vertebral canal (intervertebral foramina) |
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Definition
where does the spinal nerves exit the spinal canal? |
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Term
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Definition
what spinal nerves will be found SUPERIOR to vertebrae for which they are named? |
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Term
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Definition
what spinal nerve will exit the vertebral canal between C7 and T1? |
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Term
T1 and inferior spinal nerves |
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Definition
what spinal nerves are INFERIOR to vertebrae for which they are named? |
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Term
the posterior lateral postion (weak point in fibrocartilage on disc) |
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Definition
the spinal nerves are usually where on the intervertebral discs? |
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Term
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Definition
when the nucleus pulposa pushes through annulus fibrosis |
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Term
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Definition
all spinal nerves in the ventral rami will merge with one another to form nerve plexuses except for what 12 nerves? |
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Term
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Definition
what spinal nerves are in the cervical plexus? |
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Term
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Definition
what spinal nerves are in the brachial plexus? |
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Term
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Definition
what spinal nerves are in the lumbar plexus? |
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Term
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Definition
what spinal nerves are in the sacral plexus? |
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Term
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Definition
these are the intercostal nerves |
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Term
Roots Trunks Divisions Cords Branches |
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Definition
what are the 5 parts of the brachial plexus? |
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Term
Roots Trunks Divisions Cords Branches |
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Definition
Risk Takers Don't Cautiously Behave |
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Term
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Definition
what combines to make up the trunk of the brachial plexus? |
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Term
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Definition
what 2 roots combine to form the superior trunk? |
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Term
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Definition
what 2 spinal nerves combine to form the inferior trunk? |
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Term
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Definition
what root makes up the middle trunk? |
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Term
1. superior trunk 2. middle trunk 3. inferior trunk |
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Definition
what are the 3 trunks of the brachial plexus? |
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Term
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Definition
what are the 2 types of divisions in general in the brachial plexus? |
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Term
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Definition
divisions are combine to form what in the brachial plexus? |
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Term
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Definition
the names of the cords are based on position by what artery? |
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Term
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Definition
what cord is the anterior division of the superior trunk and middle trunk combined? |
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Term
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Definition
this cord is the posterior division of the superior trunk and middle trunk and inferior trunk |
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Term
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Definition
this cord is a continuation of the anterior division of the inferior trunk |
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Term
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Definition
each cord is going to divide into how many terminal branches? |
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Term
axillary nerve and radial nerve |
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Definition
the posterior cord is going to branch into what two nerves? |
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Term
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Definition
what cord does the ulnar nerve come from> |
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Term
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Definition
what cord does the musculocutaneous nerve come from? |
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Term
lateral cord and medial cord |
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Definition
the median nerve comes from what two cords? |
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Term
1. axillary nerve 2. radial nerve 3. musculotaneous nerve 4. median nerve 5. ulnar nerve |
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Definition
what are the 5 terminal branches of the brachial plexus? |
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Term
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Definition
terminal branch of the posterior cord; innervates the deltoid and teres minor muscles |
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Term
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Definition
this nerve wraps around the surgical neck of the humerus |
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Term
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Definition
continuation of the posterior cord; lies in the radial (spiral) groove; innervates all the posterior arm and forearm muscles |
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Term
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Definition
continuation of the lateral cord; passes through coracobrachilis muscle; innervates the 3 anterior arm muscles |
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Term
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Definition
formed from a branch of the lateral and medial cords; innervates most (all but 1.5) of the anterior forearm muscles; in hand, it innervates 5 intrinsic muscles (3 thenar eminence muscles and lumbricals 1&2) |
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Term
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Definition
continuation of the medial cord; only nerve to pass behind the elbow; innervates the flexor carpi ulnaris and ulnar 1/2 of the flexor digitorum profundus in the anterior forearm; innervates all intrinsic muscles of the hand except the 5 innervated by the median nerve |
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Term
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Definition
this nerve is in between medial eppicondyle an olecranon process-->this is when you hit your funny bone |
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Term
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Definition
what nerve innervates the serratus anterior? |
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Term
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Definition
what nerve innervates the latissimus dorsi? |
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Term
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Definition
the long thoracic nerve branches off of what three roots of the brachial plexus? |
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Term
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Definition
the thoracodorsal nerve branches off of what 3 roots of the brachial plexus? |
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Term
ventral rami of spinal nerves C5 to T1 |
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Definition
where is the brachial plexus derived from? and what spinal nerves consists of the brachial plexus? |
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