Everyone desires a flat stomach, but the strategies that worked in your 20s—like occasional gym sessions and chocolate snacks—won't suffice as you age. Hormonal shifts, pregnancies, and natural body changes impact your midsection. Fitness experts share targeted approaches for women in their 30s, 40s, and 50s to achieve a toned core.
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Selma Guiking, personal trainer and creator of the '10-week Mamafit program,' specializes in helping postpartum women regain strength and tone. "Pregnancy hormones loosen muscles and ligaments," she explains. "The rectus abdominis separates to accommodate the growing baby, and the linea alba softens. Postpartum, these should realign, but multiple pregnancies often leave diastasis recti, causing a 'mummy tummy' from muscle separation, not excess fat."
Target it with core stability exercises that strengthen the abdomen, back, and pelvis for overall stability.
A low body fat percentage is key to a flat stomach, but genetics play a role. Guiking notes, "Fat storage varies: pear-shaped bodies (more on hips and legs) reveal abs sooner, while apple shapes store around the midsection, requiring lower fat levels."
From age 35, declining estrogen shifts fat to the abdomen as ovarian egg reserves decrease. "Younger fat goes to hips; later, it centralizes," says Guiking. "Reduce overall fat through consistent healthy eating and cardio—no need for extreme diets or endless crunches. Look at Madonna: it's achievable with effort."
Inge van Haselen, a 63-year-old personal trainer and nutrition coach with a washboard stomach, swears by clean eating: abundant vegetables, minimal carbs and sugar, and unsaturated fats like nuts, avocado, and olive oil. She trains multiple times weekly—running for cardio, Pilates for flexibility, and strength work to preserve muscle.
"Effective training trumps volume," she advises. "HIIT boosts fat burn for hours post-workout." Embrace strength training with functional moves to mimic daily activities and minimize injury risk.
Distinguish sagging skin from fat: Lie on your back—if flat, it's collagen loss from estrogen decline, not fat. Van Haselen supplements with collagen powder in smoothies for skin elasticity.
A chiseled stomach isn't guaranteed post-20s due to genetics and aging. Guiking cautions, "Honor your body's limits. Normal changes make belly fat stubborn—it's not a flaw, but societal ideals can distort expectations."
Perform each 15 times
Lie face down, rise onto forearms and toes, forming a straight line. Engage abs and glutes; avoid sagging or arching. Hold 10 seconds, building duration.
Lie on back, arms at sides, knees bent, feet flat. Lift hips, squeeze glutes, keep back neutral. Hold briefly, lower slowly.
Lie on back, arms at sides, legs extended. Lift legs to ceiling, keeping them straight and back flat. Lower slowly.
Lie on back, legs hovering 12 inches off floor. Cross feet alternately in scissor motion, back flat.
Face down, arms at sides. Engage glutes and lower back; lift chest and legs, hips grounded. Hold 2 seconds, lower.
On back, knees bent, feet flat hip-width. Slide one heel forward to extend leg, back and pelvis stable. Alternate.
Source: Santé August 2018, text: Mara Ruijter
