Hip Thrusts Got Stronger, but Sprints Did Not
An eight-week randomized trial found a large hip-thrust strength gain without a clear 40-meter sprint gain. Here is what the result can and cannot tell athletes.
Chris Pruitt
Chris Pruitt is a certified ASFA personal trainer and the founder of WorkoutHealthy, a fitness equipment retailer serving customers since 2007. He has more than 16 years in the fitness business, and he writes and fact checks everything published on Insider.
Jordin Sparks on Portion Awareness, Workouts, and Consistency
Jordin Sparks has described about 50 pounds of weight change through portion awareness and exercise. Here is what she actually said and what is transferable.
Why DHA Is Concentrated in the Retina—and What That Means for Vision
DHA is abundant in photoreceptor membranes, but that structural role does not prove supplements improve healthy vision. Here's the retinal science and its limits.
Temur Samkharadze’s Deadlift: How a Junior Broke the Open World Record
Temur Samkharadze pulled 411 kilograms in Malta to set the IPF Open World Record raw deadlift, super heavyweight class, while still a junior lifter at 22. Here is what that means, verified.
Cold Plunges After Lifting: The Muscle-Growth Trade-Off
Regular immediate cold-water immersion after lifting may blunt muscle growth, but the effect depends on the goal and no exact safe delay in hours is established.
Tracee Ellis Ross on Making Space for a Challenge
Tracee Ellis Ross shares a personal phrase she uses when a workout feels demanding. Her words are not a rule for how someone else should train, but they can offer a thoughtful way to consider the inner response that shows…
Francis Bacon’s Health Advice: Rather Exercise Than Sitting
In his essay "Of Regiment of Health," Francis Bacon favored exercise over sitting and action in times of health. Here is what he wrote and what prevention research adds.
The Weekly Recovery Routine a Firefighter Swears By
A kettlebell coach's recovery day video says light movement and mobility drills speed recovery and prevent injury. Here is what active recovery and mobility research actually shows.
Is Cardio a Waste of Time for Fat Loss? 7 Lifter Claims Checked
Lifters love to say cardio is pointless for fat loss. We checked seven of their most common arguments against the research, and the answer is not what either side expects.
1,102 Pounds Off the Floor: Jamal Browner’s Pound-for-Pound Deadlift Feat
Jamal Browner deadlifted 500 kilograms (1,102 pounds) in training in 2022, becoming the fourth man ever filmed pulling that much weight. No federation certified it. He also competes at 242.5 pounds, dramatically lighter than the other three men in this informal club, which is the real story here.