Lion
The lion demonstrates remarkable spinal flexibility, capable of twisting mid-air during hunting manoeuvres and contorting through dense vegetation in pursuit of prey. A lion's spine contains more vertebrae than a human's, enabling rotational movements that would hospitalise most yoga instructors.
Furthermore, the lion's shoulder blades are attached only by muscle, permitting an extraordinary range of motion during the 22-hour daily rest period they inexplicably require.
Yoga
Yoga has produced documented cases of practitioners achieving positions that defy anatomical common sense. The practice systematically increases flexibility through sustained stretching, with advanced practitioners capable of folding themselves into shapes that concern medical professionals.
The ancient Ashtanga tradition alone contains 72 foundational poses, each designed to access flexibility reserves that evolution apparently forgot to mention existed.
VERDICT
Whilst the lion possesses impressive natural flexibility, yoga's systematic approach to joint mobility produces measurably superior results in human practitioners. The lion was born flexible; yoga teaches flexibility to those who weren't. This pedagogical advantage proves decisive.