Info Cheetah's Speed Secrets Are Revealed
Influenza A virus subtype H5N1 sprinting chetah is similar "a rear-wheel-drive car," tell scientists.
Japanese researchers mapped the musculus fibres of the big truthful cat known to accelerate to record-breaking speeds.
By comparison the cheetah's muscles with those of a domestic truthful cat in addition to dog, the squad identified the exceptional propulsion mightiness of its hindlimb muscles.
Read the remainder here on BBC. Also interesting facts on cheetah's myology in addition to physiology here.
Want to become to a greater extent than deep? Read "Distribution of musculus fibers inwards skeletal muscles of the chetah (Acinonyx jubatus), Megumi et al, on http://www.sciencedirect.com/:
Abstract
We attempt the musculus fiber population of skeletal muscles from whole trunk inwards the chetah (Acinonyx jubatus). In the acquaint experiments, nosotros showed the characteristics of fiber composition inwards the chetah past times comparative studies alongside the cheetah, domestic cat, in addition to the beagle dog. Fiber population was determined on musculus fibers stained with monoclonal antibody to each myosin heavy chain isoform. Histochemical analysis demonstrated that many muscles inwards the chetah in addition to domestic truthful cat had a depression per centum of Type I fibers in addition to a high per centum of Type IIx fibers, piece those inwards the beagle domestic dog showed a high per centum of Type IIa. The hindlimb muscles inwards the chetah had a higher per centum of Type II (Type IIa + IIx) fiber than the forelimb muscles. This fact suggests that the propulsive purpose of the hindlimb is greater than the forelimb inwards the cheetah. The longissimus inwards the chetah had a high per centum of Type IIx fibers over a broad arrive at from the thoracic to lumbar parts, piece the population of musculus fibers inwards this musculus was dissimilar depending on the parts inwards the domestic truthful cat in addition to beagle dog. This indicates that the chetah tin make a rigid in addition to quick extension of the spinal column in addition to increase its stiffness during locomotion. Furthermore, nosotros works life the notable departure of musculus fiber type population betwixt flexors in addition to extensors of digits inwards the cheetah. The acquaint experiments present the characteristics of musculus fibers inwards the cheetah, corresponded to its mightiness to perform high-speed running.