1. Physiology 1 homework

2. MUSCLE STRUCTURE REVIEW
Explain 2 differences between skeletal muscle and smooth muscle.
How is cardiac muscle like smooth muscle? How is cardiac muscle like skeletal muscle?
Consider the lateral raise exercise. State which muscle would be the: agonist, antagonist, synergist & fixator.
Consider the calf raise exercise. State which muscle would be the agonist, antagonist & fixator.
Suggest 2 ways in which muscle cells differ from skin cells or red blood cells?

3. What is another name for muscle cell?
What is the ‘special name’ for a muscle cell’s membrane?
What is stored inside the sarcoplasmic reticulum?
Which structure do the following ‘mysiums’ surround: epimysium? perimysium? endomysium?

4. MUSCLE STRUCTURE REVIEW #2
List these structures from largest to smallest: perimysium, endomysium, epimysium
List these structures from largest to smallest: muscle fibre, muscle belly, fibre bundle
How are sarcomeres different from myofibrils?
Explain what is happening inside a sarcomere that accounts for why it becomes shorter during contraction.