Skills and Drills will have less equipment and a plethora of cardio based exercises that keep things moving quickly at a huff n puff state (with brief rest periods in between to psyche yourself up). (cathe.com)
The discrete load on the system is outside «recovery» parameters, and simply because an athlete can endlessly cycle a moderate weight barbell with brief rest periods fo 30 minutes does not make this a movement that is facilitating repair or recovery of ANY system. (completehumanperformance.com)
Intervals are short bursts of intense activity that push you to your limit followed by very brief rest periods, then repeated. (tctmed.com)