Course 06 · Unit I

Cross-Bridge and Shoulder

The gap that closes — acetylcholine, the knob, calcium on troponin C, the ratchet toward the bare zone — and the shoulder as map. SITS named. Teres major not cuff. Class 6 lab as influence, not a dose. Leftover anesthetic is a door out.

13 lessons

1. 1From the calf to the fiber · Orientation · Charts 6-1 · 6-11 · 10 min
2. 2The names on 6-1 · Glossary · 12 min
3. 3Acetylcholine · Chart 6-2 · 6-4 · 11 min
4. 4The synaptic knob · Chart 6-3 · the coat · 13 min
5. 5Calcium as the switch · Chart 6-5 · 12 min
6. 6Myoglobin and ATP · Chart 6-6 · 14 min
7. 7The cross-bridge · Charts 6-7 · 6-8 · 11 min
8. 8At rest, contracted · Charts 6-9 · 6-10 · 12 min
9. 9Muscles for the shoulder · Chart 6-11 · 13 min
10. 10The four of the cuff · SITS · 10 min
11. 11The cousin, the pecs, the three heads · GV · ST · LV · LU · 12 min
12. 12Week-six channels · Heart · ST · LV · CV · GV · LU · 14 min
13. 13The Class 6 sequence · Class 6 Lab · 11 min