"Body blast" typically refers to a high-intensity workout or exercise routine that targets and works multiple muscle groups in the body, resulting in a thorough and intense workout. Full definition
The Sandbag Warrior Strength Workout # 4 is a full body blast improving strength, power, and endurance using only a sandbag and your bodyweight! (onnit.com)
The Sandbag Warrior Strength Workout # 5 is a full body blast improving strength, power, and focusing primarily on endurance and conditioning training using only a sandbag and your bodyweight. (onnit.com)
This is the Full Body Blast Workout from the Bikini Season Workouts x2 - Burn Fat Faster! (fitbodyhq.com)