Back blows produce less pressure than the Heimlich maneuvers in seated subjects. In addition, back blows throw the head and neck forward and upward due to straightening the spine. Such blows theoretically can displace supraglottic foreign bodies further downward and backward into the throat or larynx.
- Received June 22, 1981.
- Accepted April 14, 1982.
- Copyright © 1982 by the American Academy of Pediatrics