Muscle Contraction

Muscle Contraction - Muscular System Skeletal Muscle...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Muscular System 1 Skeletal Muscle Structure A Muscle Fiber Arrangement of Filaments Actin and Myosin in a Sarcomere Sliding Filament Theory Rest uncharged ATP cross-bridges extended actin and myosin uncoupled calcium stored in sarcoplasmic reticulum Excitation-coupling nerve impulse generated calcium released from vesicles calcium saturates troponin, turning on actin ATP cross-bridge "charged" ––> actomyosin
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Muscular System 2 Events Leading to Muscle Action Contraction
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 2

Muscle Contraction - Muscular System Skeletal Muscle...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online