It is not about strength, but more about breath control and a smooth release of the shutter, not a jab.
Originally Posted by bobwysiwyg
I've done some competitive shooting (rifle) and you do hold your breath, but just momentarily to squeeze off the shot. Inhaling and exhaling expands/contracts lungs and transfers movement to weapon via your arms or shoulders. I would think the same thing can happen with a camera. I've always held mine for an instant when tripping the shutter if the camera is hand held.
What they said.
Warning!! Handling a Hasselblad can be harmful to your financial well being!
Nothing beats a great piece of glass!
I leave the digital work for the urologists and proctologists.