Skeletal Muscle Contraction Initiation
- Somatic Motor Neuron Releases Acetylcholine
- Acetylcholine Causes Sodium Influx
- Cell Reaches All-or-Nothing Threshold
- Voltage-Gated Calcium Channels Undergo Conformational Change
- Sarcoplasmic Reticulum Causes Calcium Flood
- Calcium Flood Enters Myofibrils