The phrase "become sedentary" is correct and can be used in written English.
It means to adopt a lifestyle that involves little or no physical activity. Example: After retiring, John became sedentary and spent most of his days sitting in front of the TV.
In such a situation, the role of the village heads (goba) as the primary decision maker of timing and movement patterns of the pastoralists is also becoming insignificant as the pastoralists become sedentary and families move out.
What the studies haven't determined is whether the benefits of exercise disappear when people become sedentary.
It's only recently that we've become sedentary, and our bodies haven't caught up.
By no means, however, does this suggest that the underweight should suddenly become sedentary in an effort to gain weight.
Star college athletes who have become sedentary live no longer than anyone else, Dr. Paffenbarger has found.
Their lives have become sedentary, with more hours spent in front of a television or computer than at play or doing physically exerting work.
When they became sedentary and began to cultivate corn (maize), they also began to build circular pits as storage bins.
Scientists do not know, for instance, whether exercise-induced methylation changes linger if someone becomes sedentary, or if resistance training has similar effects on the behavior of genes.
In the 1980's, after cars became affordable here, Okinawans who had been used to walking and riding buses became sedentary, said Dr. Kazuo Ishikawa, a diabetes expert at Urasoe General Hospital.
As soon as we became sedentary, agricultural tribes with social boundaries, one seminal myth might have featured our ancestors as primitive beasts who slept in the cold loam of the earth and fed off the salty blood of the living.
In some studies of former collegiate athletes, those who became sedentary and took to their couches after graduation lived no longer than people who had never participated in college sports.
