Use the following length-tension curve to answer the questions below: a. What is

Question

Use the following length-tension curve to answer the questions below: a. What is the tension in the resting muscle when it stretched to 49 mm? b. If the muscle is stretched to 43 mm and then stimulated. What is the total tension generated? What is the tension generated by the contractile elements? c. If the muscle is pre-loaded with a 4 gram weight, what will be its length? What will be its final length if it is tetanically stimulated and allowed to shorten? How much has the muscle shortened? d. If a 2 gram weight is hung off the end of the muscle, how far will the muscle shorten when it is tetanically stimulated? e. If the initial length of the muscle is 45 mm and the muscle is maximally stimulated to lift 6 grams, how much will this muscle shorten? How much work has the muscle performed?

Explanation / Answer

a) as can be seen from the graph depicting length- tension curve the tension in the resting muscle when stretched to 49 mm is 10g.

b) the tension in muscle when stretched to 43mm is 2.9g.the total tension is 10.1g

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