Just over a fortnight after their rich medal haul at the Birmingham Commonwealth Games, the 10-member Indian weightlifting squad boarded a flight to St Louis, US. For over three weeks, Dr Horschig examined the minutest muscular movements of India's elite lifters to identify muscle imbalances and niggles that had bothered Chanu, Jeremy Lalrinnunga and Achinta Sheuli. His weaker left hamstring …