Podcast
Questions and Answers
What is the maximum strength of tetanic contraction of a muscle operating at a normal muscle length?
What is the maximum strength of tetanic contraction of a muscle operating at a normal muscle length?
- 7-8 kg/cm2
- 5-6 kg/cm2
- 3-4 kg/cm2 (correct)
- 1-2 kg/cm2
How much tension can be applied to the patellar tendon by a quadriceps muscle with up to 16 square inches of muscle belly?
How much tension can be applied to the patellar tendon by a quadriceps muscle with up to 16 square inches of muscle belly?
- 400 pounds
- 600 pounds
- 200 pounds
- 800 pounds (correct)
Why is it possible for muscles to pull their tendons out of their insertions in bone?
Why is it possible for muscles to pull their tendons out of their insertions in bone?
- Because muscles are stronger than tendons
- Because tendons are weaker than muscles
- Because of the amount of tension that can be applied to tendons (correct)
- Because of the location of tendons in relation to bones
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Description
Test your knowledge on muscle contraction strength, tension on tendons, and the mechanisms behind muscles pulling tendons out of insertions in bone.