Navigation Links
Hips don't lie: Researchers find more accurate technique to determine sex of skeletal remains
Date:7/6/2010

Research from North Carolina State University offers a new means of determining the sex of skeletal human remains an advance that may have significant impacts in the wake of disasters, the studying of ancient remains and the criminal justice system.

Historically, forensic scientists have been able to determine the sex of skeletal remains by visually evaluating the size and shape of the pelvis, or os coxa. "This technique is accurate, but is not without its limitations," says Dr. Ann Ross, associate professor of sociology and anthropology at NC State and co-author of a paper describing the research.

"For example," Ross says, "when faced with fragmentary remains of the os coxa, it can be difficult to determine the deceased person's sex based solely on visual inspection. This can be a significant challenge when evaluating remains from disasters such as plane crashes or degraded remains in mass burials whether the burials date from prehistory or 20th century political violence."

But Ross and her colleague Dr. Joan Bytheway have now used three-dimensional imaging technology to effectively quantify the specific characteristics of the os coxa that differentiate males from females. Bytheway is an assistant professor of forensic science at Sam Houston State University.

The researchers found more than 20 anatomical "landmarks" on the os coxa that can be used to determine a body's sex. Finding so many landmarks is important, Ross says, because it means that the sex of a body can be ascertained even if only a small fragment of the pelvis can be found. In other words, even if only 15 percent of the pelvis is recovered, it is likely that at least a few of the landmarks can be found on that fragment.

Here's how it would work: a forensic scientist would use a digitizer to create a 3-D map of the pelvic fragment and measure the relevant anatomical landmarks. The scientist could then determine the sex of the remains by comparing those measurements to the measurements listed in the paper by Bytheway and Ross.

"This technique also has the benefit of being significantly more accurate than traditional visual inspections," Ross says. While determining sex based on visual inspections of os coxa have an accuracy rate of approximately 90 percent, the new technique from Ross and Bytheway has an accuracy rate of 98 percent or better. The researchers found, for example, that several anatomical landmarks commonly used in visual inspection to estimate sex are actually very poor indicators of sex.

The new technique could also have significant benefits in the courtroom. Obviously the improved accuracy is important, but so is the fact that the method relies on quantifiable metric data not an opinion. This is an important distinction under the federal rules of evidence that govern what evidence can be submitted in criminal court.

The researchers are planning to incorporate their findings into the National Institute of Justice's 3D-ID program. The 3D-ID program consists of software that allows forensic scientists to plug in data on skeletal remains and determine the sex and ancestral origin of those remains.


'/>"/>

Contact: Matt Shipman
matt_shipman@ncsu.edu
919-515-6386
North Carolina State University
Source:Eurekalert  

Related biology news :

1. Prevent periodontitis to reduce the risk of head and neck cancer
2. Periodontitis and myocardial infarction: A shared genetic predisposition
3. WSU researchers use super-high pressures to create super battery
4. Cell signaling classification system gives researchers new tool
5. Researchers discover how insulin-producing cells increase during pregnancy
6. Researchers develop accurate way to predict the age when women will hit the menopause
7. Researchers discover source of essential nutrients for mid-ocean algae
8. Researchers at UH work to prevent neurological diseases
9. Researchers create self-assembling nanodevices that move and change shape on demand
10. UCI researchers develop worlds first plastic antibodies
11. Little is understood about alcohols effect on fetal development, Georgetown researchers say
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Hips don't lie: Researchers find more accurate technique to determine sex of skeletal remains
(Date:4/15/2016)... -- A new partnership announced today will help life ... a fraction of the time it takes today, ... insurance policies to consumers without requiring inconvenient and ... rapid testing (A1C, Cotinine and HIV) and higi,s ... pulse, BMI, and activity data) available at local ...
(Date:3/31/2016)... Florida , March 31, 2016 ... ) ("LegacyXChange" or the "Company") LegacyXChange ... potential users of its soon to be launched online ... ( https://www.youtube.com/channel/UCyTLBzmZogV1y2D6bDkBX5g ) will also provide potential ... use of DNA technology to an industry that is ...
(Date:3/22/2016)... March 22, 2016 ... Sensors Market for Consumer Industry by Type (Image, ... Application (Communication & IT, Entertainment, Home Appliances, ... Forecast to 2022", published by MarketsandMarkets, the ... to reach USD 26.76 Billion by 2022, ...
Breaking Biology News(10 mins):
(Date:6/23/2016)... ... June 23, 2016 , ... UAS LifeSciences, one ... of their brand, UP4™ Probiotics, into Target stores nationwide. The company, which has ... add Target to its list of well-respected retailers. This list includes such fine ...
(Date:6/23/2016)... 23, 2016 Houston Methodist Willowbrook Hospital ... Sports Association to serve as their official health ... Methodist Willowbrook will provide sponsorship support, athletic training ... association coaches, volunteers, athletes and families. ... Sports Association and to bring Houston Methodist quality ...
(Date:6/23/2016)... FRANCISCO , June 23, 2016   EpiBiome ... has secured $1 million in debt financing from Silicon ... ramp up automation and to advance its drug development ... its new facility. "SVB has been an ... beyond the services a traditional bank would provide," said ...
(Date:6/23/2016)... Apellis Pharmaceuticals, Inc. today announced positive ... its complement C3 inhibitor, APL-2. The trials were ... studies designed to assess the safety, tolerability, pharmacokinetics ... healthy adult volunteers. Forty subjects were ... dose (ranging from 45 to 1,440mg) or repeated ...
Breaking Biology Technology: