"remain physically active" is a correct and usable phrase in written English.
You can use it in order to describe a situation where someone is maintaining an exercise regimen or lifestyle. For example, "I plan to remain physically active as I get older by walking for 30 minutes everyday."
First, given the consequences of knee symptoms on physical activity, interventions are needed to help younger adults with knee symptoms remain physically active in valued activities by appropriately modifying their actions when needed and by facilitating exercising in ways that prevent excessive joint stress.
Leisure physical activities help older adults remain physically active.
Therefore, the current clinical guidelines recommend that people with acute LBP should remain physically active and continue normal activities [ 5, 8, 9].
Suggesting different kinds of activities might provide the elderly with more opportunities to remain physically active and/or influence PA behaviour.
Advanced cancer patients are encouraged to remain physically active and therefore there is a need to investigate how patients with metastatic disease tolerate physical activity programmes.
Thirty-one years later our sons remain physically active -- and trim -- young men who regularly play basketball and tennis.
On the other hand, pre-pregnancy physical activity has been associated with remaining physically active during pregnancy [ 10].
They remained physically active and pursued a variety of leisure activities.
I learned to practice regular physical exercise in college, and have remained physically active throughout my adult life, cycling, swimming, and now walking.
In both treatment groups, patients were informed thoroughly of the results of the physical assessment, the benign course of back pain, and the importance of remaining physically active.
Neither study assessed whether the Olympians remained physically active over the years, an important consideration.
