Can a Skeletal Muscle Contract Without Shortening? Why or Why

question 110

Multiple Choice

Can a skeletal muscle contract without shortening? Why or why not?

• A)No,because muscles contract only when the muscle tension exceeds the load.
• B)No,because muscles contract only when the muscle tension is less than the load.
• C)Yes,because muscles can still contract during an isometric contraction when the muscle tension is equal to the load.
• D)Yes,because muscles can still contract during an isotonic contraction when the tension is at a constant level.
• E)No,because muscles can only generate tension while shortening,never during lengthening.

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