What causes muscles to lag behind in development?
Muscles lag due to several factors, including neurological inefficiency, which affects the mind-muscle connection, and structural variations like muscle belly length and tendon insertion points. Additionally, historical volume imbalances from neglecting certain muscle groups can lead to predictable deficits in strength and size.
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This is one answer. The complete system — the psychology, the biology, and the method — is in the book.
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