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Fig. 10. Typical action potentials recorded by suction electrodes from nerve (A) and
muscle (B) in a nerve-iliofibularis muscle preparation. All recordings shown
are the average of eight action potentials. (A) Nerve action potentials were
recorded by a bipolar lead from the nerve innervating the muscle at 4°C at
the resting muscle length (thin line) and at the stretched length by 7.7%
above resting length (thick line). Both lines are almost superimposed and
cannot be distinguished. (B) Muscle action potentials were recorded by a
monopolar lead from the surface of the muscle at 4°C at the resting muscle
length (thin line) and at the stretched length (7.7% above resting length;
thick line). The artifact from electrical stimulation was superimposed at the
beginning of the recordings in A.
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