It was a very tall order — but an Oklahoma chiropractor gave a neck adjustment ... eliciting an audible crack. Afterwards, Gerry the giraffe snuggles with Whitley and bats his doe-like eyes ...

Cracking your back or neck might provide quick relief ... according to Tori Hartline, a chiropractor at Sunlife Chiropractic in Frisco, Texas. ASK A DOC: 'HOW CAN I IMPROVE MY POSTURE?' ...