Published research results validate ProTech performance
Journal of Concussion, Effect of subconcussive impacts on functional outcomes over a single collegiate football season. Alexa Walter, Madeleine Scaramuzzo, Tim Bream, Peter Seidenberg, Scott Lynch, Semyon M Slobounov. Published December 25, 2020.
Chapter 4: The Effect of Head Acceleration Events on Functional Outcomes: A Two Football Season Comparison Study. Alexa Walter, PhD Dissertation. Published May 5, 2020.
The 3-year Penn State Study
In cooperation with Penn State University, over a 3-year period, SAFR investigated the effects of accumulated sub-concussive impacts in Division I college football using advanced biomechanical technology on various cognitive processes (via virtual reality), as well as blood biomarkers, and structural and functional integrity (via MRI).
Force was measured with specially-designed helmet sensors
- BodiTrak accelerometers provided through the Head Health Network – elastic fabric with pressure monitors and impact sensors (one of the first validated sensors that measured linear and rotational force)
- Sensors provide information on acceleration, location of impact, and rotational aspect of impact
- Fitted and placed inside athlete’s helmet (different sensors for different helmet styles/brands)
Hits were measured in the following categories over a two-week period
- 25G to 80G: While not considered a concussion, repetitive hits measured in this range can cause long-term health concerns.
- 80G or more Force at this level (or higher) can cause a concussion blow.
Average Hits Per Practice
Force of Hits – Results by Position
|Total 80G||Total 25G|
Football Position is a Factor
Findings suggests offensive and defensive lineman sustain the greatest number of impacts.
While linemen impacts are at a lower magnitude than other positions, impacts are involved in short distance on almost every play.
Cumulative impacts, even at a lower magnitude, may result in long-term health concerns.
The SAFR study tested ProTech for two weeks in the same practice environment
|Subject||Without ProTech |
|With ProTech |
|Without ProTech |
|With ProTech |
Further research in 2017 showed significant results compared to 2015:
|Total 80G||Total 25G||Avg 80G||Avg 25G|
Results from Data Collected
- With ProTechs, the number of sub-concussive hits in the 25-80G category was reduced by more than half in the 14 compared dates from 2016 to 2015.
- With Protechs, the number of hits in the 80G+ category was reduced.
- ProTechs reduced the number and intensity of lower threshold helmet impacts that offensive and defensive linemen experienced during practice.