Time under tension is a principle in weight training where the muscles are kept under constant strain for a duration of 45 seconds or more. In this video I explain and show how to use this principle in your workouts.
Like I have written before, I ONLY do High Intensity Cardio (HIIT), and I use it to augment and workout
https://youtu.be/njn1wvv9KeI OK, you know I’m a big proponent of High Intensity Interval Training (HIIT) over normal, long cardio sessions where
He told me that he felt uncomfortable when he sat down…when he tied his shoes. Do you feel this way?