Population
Skeletal muscle myofibrils (actin molecules)
Comparison
Isometric contraction-propyl]-carbodiimide to… vs Rigor myofibrils
Design
Preclinical
Authors
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May indicate ongoing cross-bridge cycling during isometric contraction; leaves open translation to human cardiac mechanics.
This study introduces a time-resolved method using CTIR microscopy to demonstrate that cross-bridges undergo a mechanical cycle during steady-state isometric contraction.
Borejdo et al. (2007) studied this question.
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