Most consider themselves fortunate to reach the age of 100 years, and even more if they are mobile.
Being 111 years old and continuing to exercise every day seems almost impossible, but not for Henry Tseng.
In fact, the great-grandfather of two rides on a recumbent bike every day for 30 minutes at the YMCA Collins & Katz Family in Sawtelle, California, to stay in shape.
Born in Yokohama, Japan, but living in Los Angeles since 1975, Tseng has been exercising most of his life.
At age 80, he could perform exercises for the head of yoga and in his 90 years he participated in aerobics classes at 6.30.
Tseng believes that his secrets to staying in shape are enough textbooks and he says that anyone, as long as they maintain a daily gym routine and stay positive, can follow them to achieve success.
Henry Tseng, 111, of Los Angeles, still works at the YMCA at Collins & Katz Family every day, and spends 30 minutes pedaling on a recumbent bike (pictured)
His daughter, Linda Hsia, says that her father has been active all his life and that he was doing shoulders until 90 (in the photo)
Tseng attended a fitness class three days a week at the YMCA at 6.30am to 102. In the picture: Tseng celebrates his 111th birthday in July
Tseng, a retired businessman, has been active all his life and joined the YMCA in 1978.
His daughter, Linda Hsia, told Daily Mail Online that when her father was younger, she used to enjoy swimming and practicing outdoor sports.
"My parents have always had a healthy lifestyle," he said. "They did not drink, they did not smoke drugs, they did not do any of that."
Hsia said that in the 1950s, when they were living in Hong Kong, Tseng and his wife Annie, who died in 2013 at the age of 100, had a yoga teacher come to their house and teach them how to do yoga.
"Literally, in his 80s, he could do the head of yoga and was doing shoulders until he was 90," he said.
Currently, he pedals on a recumbent bicycle for half an hour, does yoga postures in his wheelchair or works to strengthen his grip by pressing tension balls.
"He did 30 minutes on the bike and watches the clock, making sure he gets his full 30 minutes and nothing less," Michelle Dodson, assistant director of Healthy Lifestyles at the YMCA Collins & Katz Family, told the Daily Mail Online.
The class instructor, Michelle Dodson, says she remembers that when Tseng was around 100 years old he made a shoulder stop in class just to show off, like the one shown here.
"And he makes sure that the caregivers who bring him get on the elliptical machines and the treadmills as well." They can not just sit there and wait for it. "
Until Tseng was 102, he would participate in the adult fitness class at 6:30 a.m. three times a week that Dodson taught.
"He drove right there at 90 and we had to make him stop," he said.
"Sometimes I dragged myself there, I barely arrived at 6.30 in the morning, and there was Henry and suddenly all my energy returned."
Hsia says she has had class members tell her that her father was her inspiration to attend.
"They said:" I woke up in the morning and did not want to get out of bed, but then I thought your father was going to be there to do it too, "he said.
Dodson says the class is a low-impact fitness class that interweaves cardio, weights, free weights and then stretches at the end.
"I remember once, we went down to the floor to stretch, and I think Henry was around 100 years old at the time, and he went up on a full-fledged shoulder platform," he said with a laugh.
"He was clearly showing off, but there are people of 80 and 90 who look at him and think:" Hey, I still have a lot of time left. "
Most would assume that intense exercise is difficult to perform as we get older.
In general, VO2 max, a measure of how well our bodies can use oxygen and the most accepted scientific indicator of fitness, begins to decrease after age 50, even if we exercise frequently.
ROUTINE DAILY OF HENRY TSENG
Two boiled eggs, half grapefruit, half banana, bread with butter and jam, half a cereal or oatmeal dish, a cup of coffee and a glass of orange juice
Italian, Chinese or Mexican food, sometimes a trip to McDonald & # 39; s
30 minutes on a recumbent bike at Collins & Katz Family YMCA
Starbucks mocha latte
Rotation between baked chicken, ground beef, shredded pork, tortillas and soup
But Dr. Veronique Billat, professor of exercise science at the University of Evry-Val d'Essonne in France, told The New York Times last year that if older athletes exercised intensely, they could increase your maximum VO2.
The next tip of Tseng is diet, and it's pretty simple. Eat little junk food and live the saying of "eat breakfast like a king, eat lunch like a prince and dine like a beggar."
A 2013 study conducted by Tel Aviv University found that those who prepared breakfast as the largest meal had lower levels of insulin, glucose and blood fat than those who made dinner their main meal.
Researchers say that these low levels can help reduce the risk of both diabetes and heart disease.
Hsia said her father's breakfasts currently consist of two water-boiled eggs, half a grapefruit, half a banana, bread with butter and jam, half a bowl of cereal or oatmeal, a cup of coffee and a glass of orange juice.
Lunches differ between Chinese, Italian and Mexican, and occasionally a trip to McDonald's.
Their dinners are much simpler and revolve between baked chicken, ground beef, shredded pork, omelettes or soup, the LA Times reported.
"He eats a ridiculously delicious breakfast, but I think it's because he did not eat much, so in the morning he eats it all," Hsia said.
He does not eliminate any food from his diet and, in fact, goes to Starbucks after each training session to get a coffee with milk mocha.
Lifestyle can also be a factor. Tseng says he is "very positive" and that he loves being around people and talking to them.
His dietary advice is simple. Eat little junk food and live the adage of "breakfast like a king, lunch like a prince and dine like a beggar." In the photo, clockwise from the top left: Tseng's grandson, his grandson's wife, his great-granddaughter, his daughter Linda, Linda's husband, Tseng and his great-grandson, celebrating his birthday number 111
Lifestyle can also be a factor. Tseng (photographed at his 111th birthday party) says he is "very positive" and loves being around people and talking to them.
Despite his junk food limit, Henry's favorite gift is to get a mocha coffee with Starbucks after his training session. In the photo: Tseng, center, with the members of his old aerobics class at 6.30 a.m.
A 2005 study found that older people with a large circle of friends were 22 percent less likely to die than those with fewer friends. And a 2007 study revealed that chronic loneliness can actually cause diseases at the cellular level.
However, there could be other factors at play in your ability to live beyond 100.
A September 2016 study found that some people are destined to age faster and die younger than others, regardless of their lifestyle, due to an "internal genetic clock".
But Tseng shows no signs of slowing down and says that his best kept secret for his long life is to smile every day.
"I have many small problems like everyone else, but I just say 'forget it'," Tseng told the LA Times last month. & # 39; Nothing is impossible. & # 39;
Dodson said that this positivity has changed her mental focus on how she views life and life.
"He is my example that if you live so long, you can live with quality," he said.
"When I ask him what his secret is, his answer is:" I smile. "I've never seen him upset, he's pure joy."