Mini microscope is a window into live muscle tissue

New technology lets researchers see motor nerve cells and muscle fibers in action

microscope

MUSCLE TWITCH  In a stroke-affected biceps brachii muscle (top), muscle fibers exhibited wiggly contractions over time (x-axis), even though the volunteer was trying to relax. Fibers in the unaffected arm (bottom) held steady, showing no involuntary contractions.

G.N. Sanchez et al/Neuron 2015

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