06 February 2012

K4b2 Validity and Reliability during Fast Outdoor Running

Posted in K4b2/K5, Scientific

K4b2 Validity and Reliability during Fast Outdoor Running

A new validation study of K4b2 was presented during last ACSM show assessing both the validity and reliability of the system.

19 Caucasian endurance trained individuals and 30 adolescents from a rural primary school in Kenya completed maximal incremental running tests with COSMED K4b2. The Douglas bag method (DB) was used as the criterion for comparison.

The study conclusion was that "K4b2 device proved valid and reliable for VO2 during submaximal and maximal running velocities outdoors".

The abstract details are the following:

- Title: "K4b2 Validity and Reliability during Fast Outdoor Running"
- Authors
: Ross Ramzy; Fudge Barry; Gibson Alexander; Ojiambo Robert; Pitsiladis Yannis. University of Glasgow, Glasgow, United Kingdom
- Published in
: Medicine & Science in Sports & Exercise: May 2011 - Volume 43 - Issue 5 - p 80

The abstract can be viewed at the following link: click here


Founded in 1980, COSMED is a privately owned company manufacturing Cardio Pulmonary and Metabolic Diagnostic Equipment. COSMED products include a full range of Spirometers, Pulmonary Function, Body Composition, Nutritional Assessment and Cardio Pulmonary Exercise systems, including Electrocardiographs, Ergometers and Assessment Software. COSMED solutions are aimed for either professional or medical use for many different applications like: Hospital, Clinics, Primary Care, University & Education in Human Physiology, Clinical Nutrition, Commercial Weight Management, Human Performance Centers, Sport Institutions and Health Club Industry. COSMED Headquarters are located in the province of Rome, Italy. COSMED has subsidiaries in the USA, China and Germany, and distributes its products internationally through a constantly growing distributor network covering more than 70 countries.