The Crisis of Authority
Key Takeaways for Fitness Professionals For decades, fitness professionals fought a relatively straightforward battle: helping people become more active. Today, the role has expanded. Many clients...
View ArticleIDEA Member Spotlight: Lesley-Anne Cullender
From Diet Rules to Understanding: Helping Women Build Confidence With Food For Lesley-Anne Cullender, a career in fitness and nutrition grew out of a deeply personal realization: after more than two...
View ArticleKnow More. Coach Better.
IDEA Personal Trainer Institute Online brings the education and practical application PTI has long been known for directly to you, wherever you are. We have built the program specifically for personal...
View ArticleFascia Without the Hype
Few structures in the human body have acquired as much mystique in fitness and wellness as fascia. It has been described as a communication network, blamed for restricted movement and chronic pain, and...
View ArticleFresh Produce Isn’t Always More Nutritious
Frozen fruits and vegetables are often harvested near peak ripeness and quickly frozen, helping preserve many of the nutrients present at harvest. Fresh produce, meanwhile, can spend days traveling,...
View ArticleResistant Starch Is More Complicated Than a Leftover-Rice Hack
Cooling cooked rice, potatoes and other starches can cause some of their starch molecules to reorganize into structures that resist digestion in the small intestine, a process known as retrogradation....
View ArticleFood Texture May Change More Than the Eating Experience
How soft, hard, intact or processed a food is can affect how much chewing it requires, how quickly it is eaten and even how readily some nutrients and carbohydrates become available during digestion. A...
View ArticleCholine Deserves More Attention
Choline rarely generates the attention given to protein, vitamin D or omega-3 fats, yet this essential nutrient contributes to cell-membrane structure, lipid transport and production of the...
View ArticleYour Salad Green Doesn’t Have to Be Kale
Darker leafy greens generally provide higher concentrations of certain vitamins and phytochemicals, but that doesn’t make lighter varieties such as iceberg lettuce nutritionally worthless. Different...
View ArticlePistachios May Have an Eye on Healthy Aging
Pistachios contain lutein, a carotenoid that accumulates in the retina and a 2025 randomized controlled trial found that eating two ounces daily for 12 weeks increased macular pigment optical density...
View ArticleDesigning Career Paths for Retention
Employee retention isn’t always about money. People leave roles for better culture, better schedules, shorter commute, better benefits or a better path to advancement. While some of these things are...
View ArticleAI Is Coming for the Workout Plan—Again
Artificial intelligence is moving deeper into consumer fitness technology, with current wearable platforms beginning to offer increasingly personalized exercise recommendations and generated training...
View ArticleWhat Really Creates a Strong Grip?
Grip looks simple from the outside, but producing and maintaining it requires coordinated action across the fingers, thumb, hand, wrist and forearm. Many of the muscles responsible for finger flexion...
View ArticleWeekend Warriors Keep Getting Good News
Clients who squeeze most of their exercise into one or two days may not need to feel guilty about an imperfect weekly schedule. A 2026 prospective analysis of more than 52,000 UK Biobank participants...
View ArticleUnderstanding Type 2 Diabetes
Type 2 diabetes (T2DM) accounts for >90% of people with diabetes. Roughly 40.1 million people have diabetes in the U.S., with 11 million, or over 27% of people unaware they have the condition (CDC,...
View ArticleThe Body in Layers
Ask a fitness professional to name the primary muscles involved in a squat and the answer comes easily. Ask where the gluteus maximus originates or what action the latissimus dorsi performs and many...
View ArticleThe Small Muscles of the Foot Have a Big Job
The foot contains a surprisingly complex network of small intrinsic muscles that help support the arches, stabilize the toes and contribute to the foot’s ability to adapt as it meets the ground....
View ArticleRaw, Roasted or Steamed?
A raw carrot and a roasted carrot begin with essentially the same nutritional building blocks, yet the nutrients available to the body after eating them may not be identical. The same is true for...
View ArticleYour Shoulder Blade Is Supposed to Move
For years, many fitness professionals were taught to coach the shoulder blades with some version of the same instruction: “Pull your shoulders down and back.” There are times when creating scapular...
View ArticleBeyond Rehabilitation
An Emerging Specialty in Fitness The fitness industry has become increasingly specialized. Exercise professionals can pursue education in strength and conditioning, corrective exercise, sports...
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