Tension time allotments are what defines the stimulus, or engagement of muscle tissue. Haphazardly rushing through the movement to get the reps is a waste of time. The fact is you increase relative risk when creating momentum. Did you know that holding a muscle at mid-range, static has far more benefit then opening and closing abruptly. I can put more stimulus in my entire abdominal musculature as shown in this video…then 100 disk-herniated crunches!
Abs Static Holds
