"high intensity work" is correct and usable in written English.
You can use it to describe when someone is doing very focused and concentrated work that requires a lot of effort. For example, "After his lunch break, Bob returned to his high intensity work on the project."
"Match after match, we beat Chelsea records of high intensity work.
–The candidate should be a high energy individual, capable of delivering high intensity work (heat).
Thousands of the listings included such language as "men only," "suitable for men," or the like, for example "need to work overtime frequently, high intensity work, only men need apply".
"This year's all geared up to Deagu, having missed a few weeks of high intensity work I hope to do as many competitions as I can in the build up".
Continuing with different methodological options to treat chronic tendinopathy, Frohm et al. (2007) compared Heavy Slow Resistance Training (HSRT) with the Bronsmans device, which consists of high intensity work, to the Alfredson's protocol in chronic patellar tendinopathy.
38 39 Well-trained academy rugby players performing repeated sprint training in hypoxia achieved twofold greater improvements in their capacity to perform repeated aerobic high intensity work.
Grooming coated dogs is high-intensity work because of the coats themselves and the value of the dogs.
She speaks enthusiastically about the "absolute kick and adrenalin buzz and I would even call it some sort of addiction" of putting on a show, but such high-intensity work is not without its drawbacks.
Check the website if you need reminding, but you can do your PDA circuit (alternating upper- and lower-body exercises), continuous cardio (30 or more minutes going steady), anaerobic cardio (high-intensity work for short bursts) and interval training (switching between going flat out and taking it easier).
I'll get a page and a half later and I'm like, 'What happened, what did I just read?' " But at the end of the 2008 season, Blackley was transformed into a reliever by the Class AAA Lehigh Valley IronPigs and he discovered that in just one inning of high-intensity work, there was no problem with concentration.
Dr. Bamman says he believes this gave them the confidence to take on the higher-intensity work — and the willingness to try.
