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Spinal segmental motor, movement, relfex, and sensory distributions

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Segment
Motor
Movement
Reflex
Sensory
C7   Wrist flexors, triceps   Wrist flexion, elbow extension   Triceps tendon   Index, middle, and ring  
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C8   Thenar muscles   Thumb extension     Ulnar border of hand  
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Ti   Interossei   Abduction & adduction of fingers     Medial arm  
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L2   Iliopsoas   Hip flexion     Anterolateral thigh  
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L3   Iliopsoas, quadriceps   Hip flexion, knee extension   Patellar tendon   Anteromedial & distal thigh  
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L4   Tibialis anterior   Ankle dorsiflexion   Patellar tendon   Medial calf and ankle  
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L5   Extensor hallicus longus   Toe extension     Lateral leg, anterior shin, and foot  
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S1   Fibularis longus/brevis   Plantar flexion & eversion   Achilles tendon   Lateral ankle and foot  
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S2   Hamstrings   Knee flexion     Medial posterior thigh  
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C4   Upper traps   Shoulder shrug     Upper trap, lower neck  
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C5   Deltoid, biceps   Shoulder abduction, elbow flexion   Biceps tendon   Deltoid area  
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C6   Wrist extensors, biceps   Wrist extension, elbow flexion   Brachioradialis tendon   Radial border of hand  
🗑


   

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Created by: jvlassov
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