Transcription of Lesson A02: Contractility of Skeletal Muscle Using Frog ...
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Lesson A02: Contractility of Skeletal Muscle Using Frog ...
BIOPAC Systems, Inc Page 1 of 23 Updated .14 BSL PRO Lesson A02: Contractility of Skeletal Muscle Using frog Gastrocnemius Muscle Developed in conjunction with Department of Biology, University of Northern Iowa, Cedar Falls This BSL PRO Lesson explains how to isolate the gastrocnemius Muscle of the frog and its somatic motor nerve (sciatic nerve) and describes the hardware and software setup necessary to record contractile responses resulting from an applied electrical stimulus. Objectives: 1. Prepare a pithed frog for the study of Muscle physiology. 2. Describe how Muscle can contract when an electrical stimulus is applied. 3. Explain how motor nerves stimulate the contraction of Skeletal muscles. 4. To record the twitch Threshold, maximal twitch response, summation, tetanus and fatigue for frog Skeletal Muscle and its motor nerve. 5. Examine the effects of the length of the sarcomere on the force of contraction.
1. Prepare a pithed frog for the study of muscle physiology. 2. Describe how muscle can contract when an electrical stimulus is applied. 3. Explain how motor nerves stimulate the contraction of skeletal muscles. 4. To record the twitch Threshold, maximal twitch response, summation, tetanus and fatigue fo r frog skeletal muscle and its motor ...
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