Anti-extension is the opposite of anti-flexion. The goal is to resist a load that attempts to extend your spine (arch your back). Anti-extension lifts resist a load that attempts to arch your back. Ancillary exercises strengthen your core and your compound lifts, like the back squat.n lifting terms, the core's responsibility is to limit movement. Think about the core through the scope of strength exercises like the squat, deadlift, bench press, and overhead press. These movements require the spine to hold a rigid position so the hip and shoulder joints can move with force.
Definition: The opening balance is the balance that is brought forward from the end of one accounting period to the beginning of a new accounting period. The funds in a firm's accounts at the start of a new financial period are called the opening balances. The opening balance is the first entry in a firm's accounts, either when they are first starting up or at the start of a new financial year.
Cash book opening balance. Initially Opening Balance for the Cash Book is entered in Setup / Cash Book Opening Balances. The balance is the balance as at the First Month of transaction entry. It will be updated as part of the Year-End Routine for subsequent financial years.