Imam Zufar permitted following a gesturing imam, reasoning that gestures stand in for bowing and prostration under necessity.
The other named Hanafi authorities distinguish the substitute from the original acts and do not validate such following for a worshipper able to perform the original actions.
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Whom May One Follow in Prayer? Qualifications and Validity of Imamate
Imam Zufar permitted following a gesturing imam, reasoning that gestures stand in for bowing and prostration under necessity.
The other named Hanafi authorities distinguish the substitute from the original acts and do not validate such following for a worshipper able to perform the original actions.