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Natural wonders Big Foot?

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EVALUATION OF ALLEGED SASQUATCH FOOTPRINTS
AND THEIR INFERRED FUNCTIONAL MORPHOLOGY
D. JEFFREY MELDRUM, Department of Biological Sciences, Idaho State University Here is a the most famous footage that to this day can not be proven to be a fake. I also want you to watch a video of MK davis with the truth behind the patterson film very interesting. Please post any interesting stories or information you might have on the subject.

Patterson Gimlin Bigfoot film 1967, the best stabilization of all 5 parts of the film.

MK Davis break down of the Patterson film. Shows that it is a female big foot.

Introduction
Throughout the twentieth century, thousands of eyewitness reports of giant bipedal apes, commonly referred to as Bigfoot or Sasquatch, have emanated from the montane forests of the western United States and Canada. Hundreds of large humanoid footprints have been discovered and many have been photographed or preserved as plaster casts. As incredulous as these reports may seem, the simple fact of the matter remains -- the footprints exist and warrant evaluation. A sample of over 100 footprint casts and over 50 photographs of footprints and casts was assembled and examined, as well as several examples of fresh footprints.

Tracks in the Blue Mountains
The author examined fresh footprints first-hand in 1996, near the Umatilla National Forest, outside Walla Walla, Washington. The isolated trackway comprised in excess of 40 discernible footprints on a muddy farm road, across a plowed field, and along an irrigation ditch. The footprints measured approximately 35 cm (13.75 in) long and 13 cm (5.25 in) wide. Step length ranged from 1.0 - 1.3 m. Limited examples of faint dermatoglyphics were apparent, but deteriorated rapidly under the wet weather conditions. Individual footprints exhibited variations in toe position that were consistent with inferred walking speed and accommodation of irregularities in the substrate. A flat foot was indicated with an elongated heel segment. Seven individual footprints were preserved as casts.

Evidence of a Midtarsal Break
Perhaps the most significant observation relating to this trackway was the evidence of a pronounced flexibility in the midtarsal joint. Several examples of midfoot pressure ridges indicate a greater range of flexion at the transverse tarsal joint than permitted in the normal human tarsus. This is especially manifest in the footprint figured below, in which a heel impression is absent. Evidently, the hindfoot was elevated at the time of contact by the midfoot. Due to the muddy conditions, the foot slipped backward, as indicated by the toe slide-ins, and a ridge of mud was pushed up behind the midtarsal region.

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Patterson-Gimlin Film Subject
In October 1967, Roger Patterson and Bob Gimlin claimed to have captured on film a female Bigfoot retreating across a loamy sandbar on Bluff Creek, in northern California. The film provides a view of the plantar surface of the subject's foot, as well as several unobstructed views of step cycles. In addition to a prominent elongated heel, a midtarsal break is apparent during midstance and considerable flexion of the midtarsus can be seen during the swing phase. The subject left a long series of deeply impressed footprints. Patterson cast single examples of a right and a left footprint. The next day the site was visited by Robert Laverty, a timber management assistant and his sales crew. He took several photographs including one of a footprint exhibiting a pronounced pressure ridge in the midtarsal region. This same footprint, along with nine others in a series, was cast two weeks later by Bob Titmus, a Canadian taxidermist. A model of inferred skeletal anatomy is proposed here to account for the distinctive midtarsal pressure ridge and "half-tracks" in which the heel impression is absent. In this model the Sasquatch foot lacks a fixed longitudinal arch, but instead exhibits a high degree of midfoot flexibility at the transverse tarsal joint. Following the midtarsal break, a plastic substrate may be pushed up in a pressure ridge as propulsive force is exerted through the midfoot. An increased power arm in the foot lever system is achieved by heel elongation as opposed to arch fixation.

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Conclusions
Human walking is characterized by an extended stiff-legged striding gait with distinct heel-strike and toe-off phases. Bending stresses in the digits are held low by selection for relatively short toes that participate in propulsion at the sacrifice of prehension. Efficiency and economy of muscle action during distance walking and running are maximized by reduced mobility in the tarsal joints, a fixed longitudinal arch, elastic storage in the well developed calcaneal tendon, plantar aponeurosis and deep plantar ligaments of the foot.
In contrast, the Sasquatch appear to have adapted to bipedal locomotion by employing a compliant gait on a flat flexible foot. A degree of prehensile capability has been retained in the digits by maintaining the uncoupling of the propulsive function of the hindoot from the forefoot via the midtarsal break. Digits are spared the peak forces of toe-off due to the compliant gait with its extended period of double support. This would be a efficient strategy for negotiating the steep, broken terrain of the dense montane forests of the Pacific and Intermountain West, especially for a bipedal hominoid of considerable body mass, The dynamic signatures of this adaptive pattern of gait are generally evident in the footprints examined in this study.

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