3 - 3.1 Intensity-Tension Relationship In this experiment...

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3.1 Intensity-Tension Relationship In this experiment as the intensity (voltage) of the stimulus increased the tension (force) of the frog muscle increased. The frequency was constant throughout. Threshold intensity was first produced at 0.15 volts instead of 0.1 volts because the voltage was not enough to produce a response. Once it was increased, a slight muscle twitch was observed. Thus 0.15 was the threshold intensity. At 0.85 volts, the maximal intensity was reached at a tension length of 1.141 mm. After, tension amplitude values gradually decreased as the stimulus voltage increased throughout the activity indicating that the muscle could contact no more as shown on Figure 1 of Appendix. 3.2 Length-Tension Relationship The frog muscle tension was evaluated each times as it was stretched in ~2-3mm increments. Constant stimulus (voltage) was applied after each change in muscle length. This was the medium or submaximal stimulus. When the muscle length increased, tension increased until a maximum tension was observed at a muscle length of 150 mm
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3 - 3.1 Intensity-Tension Relationship In this experiment...

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