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. 2020 Spring;19(1):ar3. doi: 10.1187/cbe.18-08-0160

TABLE 2.

Coding scheme as aligned with the SBF analytic framework

Structures Behaviors Functions
Patellar tendons Connect muscle to bone Provide a physical anchor for movement
Spindle fibers Depolarize upon mechanical stimulation Detect sensory stimuli
Sensory neurons Propagate action potentials Send afferent signals
Synapses Connect neurons with target cells Support intercellular communication
Interneurons Inhibit action potentialsa Control circuitry and muscle tension
Motor neurons Propagate action potentials Excite muscle fibers
Muscle fibers Contract Move the skeletal system
a

Not all interneurons send inhibitory signals.