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Footprint

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Footprint

Buzz Aldrin's footprint on the Moon in 1969 on the Apollo 11 mission

Footprints (or footmarks) are the impressions or images left behind by a person walking or running. Hoofprints and pawprints are those left by animals with hooves or paws rather than feet, while "shoeprints" is the specific term for prints made by shoes. They may either be indentations in the ground or something placed onto the surface that was stuck to the bottom of the foot. A "trackway" is set of footprints in soft earth left by a life-form; animal tracks are the footprints, hoofprints, or pawprints of an animal.

Footprints can be followed when tracking during a hunt or can provide evidence of activities. Some footprints remain unexplained, with several famous stories from mythology and legend. Others have provided evidence of prehistoric life and behaviours.

Footprints in detective work

Shoeprint left at crime scene

The print left behind at a crime scene can give vital evidence to the perpetrator of the crime. Shoes have many different prints based on the sole design and the wear that it has received – this can help to identify suspects.[1] Photographs or castings of footprints can be taken to preserve the finding. Analysis of footprints and shoeprints is a specialist part of forensic science.

Some detective work is relatively immediate, with criminals being tracked by the footprints they left in the snow leading from the crime scene to their home or hiding place. This is usually reported as a humorous story in news publications.[2][3]

Footprints can also allow the detective to find the approximate height from,[4] footprint and shoeprint. The Foot tends to be approximately 15% of the person's average height.[5][6] Individualistic characteristics of the footprints like numerous creases, flatfoot character, horizontal and vertical ridges, corns, deformities etc. can help the forensic scientist in cases pertaining to criminal identification.[5] In some forensic cases, the need may also arise to estimate body weight from the size of the footprints.[7]

Foot prints have been shown to have determine the height and the sex of the individual.

Ridge patterns

Friction ridge skin present on the soles of the feet and toes (plantar surfaces) is as unique in its ridge detail as are the fingers and palms (palmar surfaces). When recovered at crime scenes or on items of evidence, sole and toe impressions can be used in the same manner as finger and palm prints to effect identifications. Footprint (toe and sole friction ridge skin) evidence has been admitted in courts in the United States since 1934.[8]

The footprints of infants, along with the thumb or index finger prints of mothers, are still commonly recorded in hospitals to assist in verifying the identity of infants. Often, the only identifiable ridge detail that can be seen on a baby's foot is from the large toe or adjacent to the large toe.

It is not uncommon for military records of flight personnel to include bare foot inked impressions. Friction ridge skin protected inside flight boots tends to survive the trauma of a plane crash (and accompanying fire) better than fingers. Even though the US Armed Forces DNA Identification Laboratory (AFDIL), as of 2010, stored refrigerated DNA samples from all active duty and reserve personnel, almost all casualty identifications are effected using fingerprints from military ID card records (live scan fingerprints are recorded at the time such cards are issued). When friction ridge skin is not available from military personnel's remains, DNA and dental records are used to confirm identity.

Ancient footprints

Replica of dinosaur footprints found in La Rioja

Footprints have been preserved as fossils and provide evidence of prehistoric life. Known as "ichnites", these trace fossils can give clues to the behaviour of specific species of dinosaur. The study of such fossils is known as ichnology and the footprints may be given scientific names (ichnospecies). Grallator is one example of an ichnogenus based on ichnites. Strictly speaking, an ichnospecies is the name of the trace fossil, not of the animal that made it.

For example, an international team's discovery of a set of 1.5 million-year-old human ancestor footprints in Ileret, Kenya has shown the earliest direct evidence of a modern human style of upright walking. The team believe that the prints were probably formed by the species Homo erectus.[9]

Other footprint findings

Footprints in myth and legend

One legend states that these impressions, kept in the Church of Domine Quo Vadis, are the footprints of Jesus.

The appearance of footprints, or marks interpreted as footprints, have led to numerous myths and legends. Some locations use such imprints as tourist attractions.

Détailed article Petrosomatoglyph

Examples of footprints in myth and legend include:

Footprints in popular culture

Jack Nicholson's foot and handprints outside Grauman's Chinese Theatre.

The imagery of footprints has been used in many areas of popular culture. Several poems and songs have been written about them, with the Christian poem Footprints being one of the best known.

Prints or impressions of a child's feet can be kept as a memento by parents.[22] Usually this is done using paint. The impressions of celebrity's feet, usually in concrete, may be kept in a collection such as that outside Grauman's Chinese Theatre.

See also

References

  1. ^ BBC News, 2 March 1998. "Footprints help to track down criminals". Accessed 28 July 2006.
  2. ^ BBC News, 30 June 2005. "Vandal caught by his footprints". Accessed 28 July 2006.
  3. ^ BBC News, 27 April 2006. "Footprints in snow lead to court". Accessed 28 July 2006.
  4. ^
  5. ^ a b
  6. ^
  7. ^
  8. ^ People v. Les, 267 Michigan 648, 255 NW 407.
  9. ^ Ancient 1.5 Million-Year-Old Footprints Show Earliest Evidence of Modern Foot Anatomy and Walking Newswise, Retrieved on 3 March 2009.
  10. ^ Queensland Parks and Widelife Service: Lark Quarry Conservation Park
  11. ^ CNN: Human footprint may be oldest ever found
  12. ^
  13. ^
  14. ^
  15. ^ Gathering the Jewels. "Prehistoric footprints, Uskmouth, Glamorgan". Accessed 28 July 2006.
  16. ^
  17. ^
  18. ^
  19. ^ Japanese Buddhist Statuary, 14 January 2005. "Stone footprints of the Buddha". Accessed 28 July 2006.
  20. ^ MysteriousBritain.co.uk. "The Devil's Footprints". Accessed 28 July 2006.
  21. ^ "Libra the Scales". Accessed 28 July 2006.
  22. ^ Check Footprints http://www.baby-art.com/en/products/categories/prints.aspx

External links

Media related to Footprint (category) at Wikimedia Commons

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