The phrase "an intense exercise" is correct and usable in written English.
It can be used to describe a physical or mental activity that requires significant effort or concentration.
Example: "After completing an intense exercise session, I felt both exhausted and invigorated."
Alternatives: "a rigorous workout" or "a demanding activity".
He had spent eight months undergoing an intense exercise regimen, along with electrical stimulation of his injured spine.
Finally, if you have risk factors for heart disease, including a family history, those should be addressed with a physician prior to starting an intense exercise regimen.
Beginning an intense exercise regimen in midlife cannot suddenly erase coronary artery damage resulting from, say, years of smoking or uncontrolled blood pressure.
Fit from years of an intense exercise program called P90X and with hair as thick as Rod R. Blagojevich's (and cut in a more contemporary fashion), Mr. Ryan has become a regular on the cable news circuit, and a book about conservative politics that he co-wrote — "Young Guns" — will include his picture on the cover when it comes out this fall.
First, screening allowed for early identification of trainees with critically low Hgb values before commencing an intense exercise regimen.
The purpose of the study was to evaluate performance quality of shoulder plyometric exercises, and examine the relationship to scapular muscle activation during an intense exercise bout.
Delayed onset muscle soreness occurs about 12 to 24 hours after an intense workout, especially after unfamiliar exercises.
Thirty minutes a day also works because it reduces as much risk of a heart attack as a highly intense exercise.
Conclusion: We concluded that AMR is effective to reduce pain perception and to improve flexibility of the studied population submitted to a high intense exercise session.
These results suggest that the training program used in the present study required more effort (was a more intense exercise program) for the diabetic rats than the normal rats, certainly because diabetes severely depresses physical fitness [ 21, 26].
Start out with lighter exercises and work your way up to a more intense exercise routine.
