What do A pos and C pos mean?
The # column is the rank of each listed entry for International Journal of Sports Medicine — rank 1 means this entry is where International Journal of Sports Medicine has the most articles or citations. A pos and C pos show the reciprocal: the position of International Journal of Sports Medicine within that entry's own ranked list, by articles and citations respectively. A low value means International Journal of Sports Medicine is among the most prominent contributors for that entry.