Lisa Liddane

Sabrina Aspesi straddles a wood and metal exercise machine that resembles a reincarnation of a medieval torture rack – complete with pulleys, chains and weight plates. Her torso bends forward and back, arms and hands pushing and pulling two large knobs in fluid, sweeping, circular movements – as if stirring a giant vat of milk.This is the Gyrotonic workout, a regimen that some fitness-in…