Site MapHelpFeedbackLength-Tension Relation in Skeletal Muscles
Length-Tension Relation in Skeletal Muscles

View the animation below, then complete the quiz to test your knowledge of the concept.






1The force of contraction is greatest for a muscle fiber...
A)at 100% of its relaxed length.
B)less than 100% of its relaxed length.
C)greater than 100% of its relaxed length.
D)A and B.
E)B and C.



2The force of contraction is lowest for a muscle fiber...
A)at 100% of its relaxed length.
B)less than 100% of its relaxed length.
C)greater than 100% of its relaxed length.
D)A and B.
E)B and C.



3The rate of change of percent maximum tension for muscle fibers is greatest from...
A)60% - 80% of relaxed length.
B)80% - 100% of relaxed length.
C)100% - 120% of relaxed length.
D)120% - 140% of relaxed length.
E)140% - 160% of relaxed length.



4The muscle fiber length and the amount of force exhibited by the muscle fiber are inversely proportional when the muscle fiber is longer than its relaxed length.
A)True
B)False



5The muscle fiber length and the amount of force exhibited by the muscle fiber are directly proportional when the muscle fiber is shorter than its relaxed length.
A)True
B)False







Animation Quiz SiteOnline Learning Center

Home > Anatomy and Physiology 1 > Chapter 13 > Length-Tension Relation in Skeletal Muscles