The sections in this article are:

• 1 Matching of Motoneurons and Muscle Fiber Properties During Normal Development
  • 1.1 Muscle Development
    • 1.1.1 Emergence of Fiber Type Diversity
    • 1.1.2 Predetermination of Protein Expression
    • 1.1.3 Importance of Innervation
    • 1.1.4 Specificity of Neuronal Connections to Muscle
    • 1.1.5 Projection Patterns
    • 1.1.6 Positional Guidance Cues
    • 1.1.7 Contact-Mediated Cues
    • 1.1.8 Chemotrophic Cues
    • 1.1.9 Formation of Neuromuscular Junctions
  • 1.2 Motoneuron Development
    • 1.2.1 Regulation of Neuronal Population Size
    • 1.2.2 Target Size and Trophic Factors
    • 1.2.3 Motoneuron Physiology
    • 1.2.4 Heterogeneity of Motoneuron Properties
  • 1.3 Synapse Elimination
    • 1.3.1 Competition vs. Intrinsic Withdrawal
    • 1.3.2 Activity and Synapse Elimination
    • 1.3.3 Role of Competition between Axons
    • 1.3.4 Innervation of Muscle Fiber Types and the Role of Synapse Elimination
    • 1.3.5 Positional Cues and Synapse Elimination
  • 1.4 Summary
• 2 Neural and Nonneural Sources of Control of Adult Skeletal Muscle Properties
  • 2.1 Cross-Reinnervation
    • 2.1.1 Physiological Properties
    • 2.1.2 Biochemical Properties
    • 2.1.3 Histochemical and Immunohistochemical Properties
    • 2.1.4 Motor Unit Properties
    • 2.1.5 Limitations
  • 2.2 Prolonged Electrical Silence
    • 2.2.1 Surgically Induced Inactivity
    • 2.2.2 Pharmacologically Induced Inactivity
• 3 Morphological and Metabolic Properties of Motoneurons
  • 3.1 Relationship of Soma Size and Metabolic Properties
  • 3.2 Adaptability of Soma Size and Metabolic Properties
• 4 Gene Amplification Within a Motor Unit
• 5 Overall Summary