The Plateau at the Top of the Length -Tension Curve

question 10

Multiple Choice

The plateau at the top of the length -tension curve is due to

• A) The “bare zone” in the middle of the thick filament that lacks myosin heads
• B) Interference of thin filaments from adjacent half-sarcomeres
• C) Interference of the thick filaments with the Z line proteins
• D) The series-elastic elements limiting force transfer
• E) Heterogeneity of sarcomere lengths along the muscle fiber

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