Dermatomes, Myotomes, Tests and Reflexes for C1 through L4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| C5 muscle innervation | Deltoid (pure C5: axillary nerve), biceps (C5 and C6), shoulder abduction (middle portion of deltoid and the supraspinatous: suprascapular nerve)
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| C5 myotome (muscle) testing | chicken wing (for deltoid). biceps (try to pull her flexed arm down while she resists) for biceps
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| C5 dermatome (skin) testing | Lateral aspect of the deltoid is most pure area.
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| C5 reflex testing | Biceps tendon
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| C6 muscle innervation | Extensor carpi radialis C6 and ulnaris. (And radial nerve?)
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| C7 muscle innervation | Triceps, wrist flexors and finger extensors
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| C8 muscle innervation | Flexor digitorum superficialis, profundis, lumbricals
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| C6 myotome (muscle) testing-1 | same bicep as C5. but also... wrist extension. (remember the 6 shooter)
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| C7 myotome (muscle) testing-1 | tricep (you can do either of the 2 tests)
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| C8 myotome (muscle) testing-1 | Finger flexors
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| C6 dermatome (skin) testing | Lateral forearm, the thumb, the index finger
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| C7 dermatome (skin) testing | Middle finger
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| C8 dermatome (skin) testing | Distal medial half of forearm (anatomic position) and digits four and five
five.
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| C6 reflex testing | Brachioradialis reflex
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| C7 reflex testing | Triceps tendon (SJ10)
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| C8 reflex testing | None
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| C6 mnemonic/pose | Six shooter, then recoil
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| C7 mnemonic/pose | Left arm akimbo. Right arm 'Oh no you don't'
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| C8 mnemonic/pose | Figure eight with fingers curved inside each others' palms
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| L1,2,3 mnemonic/pose | L1,2,3 to the knee
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| L2,3,4, mnemonic/pose | L2,3,4 kick big toe @ the door
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| L4 mnemonic/pose | L4 TO THE FLOOR, medially (BIG TOE)
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| L5 mnemonic/pose | LATERAL SIDE (ALL 3 MIDDLE TOES)
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| S1 mnemonic/pose | To the sun (tippy toes)-- and EVERSION (PINKY TOE) and back of calf (UB56)
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| S1 | (think Dad): tippy toe walk. back of gastroc, PINKY Toe. Reflex= "Achilles' 1 weakness"
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| L4 | (think of making L shape and then 4 shape with your foot): heel walk & foot INVERSION (think of making Figure 4 with you foot). Dermatome is medial leg, arch, Big Toe
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| T1 | think $1 T-bill. dollar bill and finger exercise. Dermatome is HEART channel. Think "I HEART T-BILLS"
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| C8 | remember choir boy pose (wedding and feyness)-- so finger curl thing. soft part of Yin forearm PLUS RING RINGER & PINKY FINGER. no reflex
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| C7 | flipping off someone? hold wrist flexed in and try to pull it up. PLUS that silly finger extension thing. Dermatome= middle finger only?? reflex= SJ10
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| C6 | six shooter. so... bicep thing and wrist (extension) thing. Dermatome= lateral forearm PLUS 1st and 2nd fingers. Reflex= brachioradialis
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| C5 | chicken wing & bicep. dermatome= shoulder and forearm. reflex_ BICEP TENDON
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| L1,2,3 | myotome= iliopsoas? four times inner (start high!) thigh. NO REFLEX
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| L2,3,4 | myotome= leg extension! myotome= 2 medial upper leg, 2 medial calf, ARCH, Big Toe. Reflex= patellar
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| L5 | PILATES (Reflex= biceps femoris) plus Toes Resist Being Pushed Down plus Big Toe pushes up again hand! Dermatome= lateral calf, dorsum of foot, ALL THREE middle toes.
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Created by:
mrbarr
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