The sideways position of the arm clearly demonstrates a ball and socket configuration for the shoulder thus the subject is a brachiator.
Game Warden Video
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Images and videos for discussion
Po Se Ye Mo
Mysteries of the Patterson Bigfoot Film: Frame 352
Mouth Movement of the Patterson Sasquatch.
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With stabilization the mouth can be seen to move on this iconic film subject.
The Red Haired Giants of Nevada: Eyewitness to a giant skeleton in Virginia City Nevada.
The Patterson Film. Another version with stabilization and oscillating loop.
Right click on the video and select “Open in another tab” to enlarge.
The Patterson Film: The left hand opens and closes.
The Patterson Film: What’s on her left side. First shot of it from the first walk sequence.
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The second look at it
Third look at the object
The Patterson film: The armswing.
The Davis Report 