Thompson Rivers University (TRU)
PhysioEx Exercise 2 Activity 6 Study
Guide with Complete Solutions
During an isometric contraction... - Answer✔️✔️-The skeletal muscle is
generating force, but it remains at a fixed length.
The force that results from muscles being stretched is... - Answer✔️✔️-
Passive force
Active force... - Answer✔️✔️-Is determined by the amount of myosin bound
to actin.
When you generate the isometric length-tension curve, which of the
following forces will not be indicated on your screen? - Answer✔️✔️-Tetanic
force
Passive force in skeletal muscle is largely caused by... - Answer✔️✔️-The
protein titin
As the resting length of the muscle is changed, what will happen to the
amount of total force the muscle generates during the stimulated twitch? -
Answer✔️✔️-An increase in muscle length will increase total force.
Note the dip in total force at a muscle length of 90 mm as compared to the
total force at a muscle length of 80 and 100 mm. Why does this occur? -
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