1. STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE

2. Introductory Questions
Where is skeletal muscle found in your body? Attached to bone. (Smooth muscle lines organs, and cardiac muscle is found in the heart.) What is the function of skeletal muscle? Voluntary movement Stability (posture) Communication (facial expression, speech) Control of body openings Heat production- 85% of body heat is generated by muscles providing the proper environment for enzymes and therefore metabolism

3. Word Parts/Meanings
Fascia- band or bundle Epi-upon Peri- around Endo- inner Mys- muscle Sarco-flesh Lemma- husk

5. Structures of a skeletal muscle fiber

6. A Sarcomere

7. Twizzler analogy Many packages of Twizzlers = Fascicle
Find a Fascicle on your diagram.

8. Twizzler analogy 2 1 package of Twizzlers = Muscle fiber
The packaging =
Sarcolemma

9. Twizzler analogy 3
1 bundle of twizzlers =
myofibril

10. Twizzler analogy 4
1 Twizzler strand =
Filament

11. Compare the Muscle Fiber to Pull and Peel Twizzlers
How amazing is that?