Muscle Types
- Skeletal Muscle
- Somatic Nervous System
- Striated
- Multinucleate
- Cardiac Muscle
- Autonomic Nervous System
- Myogenic
- Gap Junctions
- Uninucleate
- Smooth Muscle
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
Skeletal Muscle Contraction Action
- Calcium Binds Troponin
- Active Site Exposed
- Many Mitochondria Produce ATP
- Myosin Head Binds
- Power Stroke
- Myosin Head Releases Active Site
- ATP Consumed
Weight-Bearing Restrictions
- Orthopedic
- Help Limb or Joint Surgeries Heal Properly
- Non-Weight Bearing (NWB)
- Toe-Touch Weight Bearing (TTWB)
- Partial Weight Bearing (PWB)
- Weight Bearing as Tolerated (WBAT)
- Full Weight Bearing (FWB)