SNIP measures contextual citation impact by weighting citations based on the total number of citations in a subject field.
SJR is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and a qualitative measure of the journal’s impact.
The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
© Thomson Reuters Journal Citation Reports 2015
To calculate the five year Impact Factor, citations are counted in 2014 to the previous five years and divided by the source items published in the previous five years.
© Journal Citation Reports 2015, Published by Thomson Reuters
Ideal for orthopedists and those in the field of physical medicine and rehabilitation, Clinics in Sports Medicine offers the latest in patient management trends and updates on the newest advances in the field. Published four times a year—in January, April, July, and October—each issue focuses on a single topic in sports medicine, from spine, knee, head, and neck injuries, to trauma, imaging, and rehabilitation. Clinics in Sports Medicine has been edited by respected orthopedic surgeon, Mark D. Miller since 1999.