Hard breath (intentional breath) in Pali

When your mind is wandering during Anapana, you may use "Hard Breath" (intentional breath). What is the Pali word for this technique? What is the Pali text explaining this "hard breath" technique? This is a major technique we are taught in a 10-day Vipassana course taught by S.N.Goenka. There are several rules to use this intentional breath but we are advised to minimize the number of intentional breaths if it's not necessary.