Pushing the limits of human thumb nimbleness, Danny Puskarcik bent back the top joint of his thumb 96 degrees, a new world record. Puskarcik shattered the.
No large scale studies have been done to record the distribution of thumb angles worldwide so the Hitchhiker's Thumb Angle Calculator may.
Hitchhiker’s thumb is a thumb that’s hypermobile, or very flexible, and able to bend backward beyond the normal range of motion. People with hitchhiker’s thumb have distal joints that can bend back as far as 90 degrees. Hitchhiker’s thumb can occur in one or both thumbs.
Hitchhiker's thumb is otherwise known as distal hyperextensibility of the thumb. This is because of the genetic traits that make a person bend his thumb.