Unformatted text preview: in head and
detaches it from actin.
• Hydrolysis of ATP transfers energy to
myosin head and reorients it
• Contraction continues if ATP is
sarcoplasm is high Transverse (T) Tubule sarcoplasmic
reticulum only at I
and A bands Sarcoplasmic Reticulum Lateral Sacs Foot Proteins
ryanodine receptors Dihydropyridine Receptor Excitation-Contraction Coupling: power stroke Muscle Mechanics – motor unit, motor unit recruitment, and
muscle tension Motor Unit The'Motor'Unit
number'of'ﬁbers'per'motor'unit Motor Unit Recruitment weak
more and more Motor Unit Recruitment Muscle Tension -...
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This note was uploaded on 03/21/2014 for the course NPB 101 taught by Professor Fuller,charles/goldberg,jack during the Spring '08 term at UC Davis.
- Spring '08