JIU-JITSU TRAINING DIARY A training diary, journal or log, is an ideal way to help make your training more productive in several ways. 1) Making notes on new techniques will help its retention to memory. 2) Helps identify which techniques require more attention than others. 3) Notes on techniques can be referred back upon to refresh your memory. 4) Creating notes on rolling/sparring will help you remember and identify what is working well and what...