February’s research roundup looks at nutrient quality, handgrip strength, sleep, sarcopenia, testosterone, hypertrophy, and other findings fitness professionals should keep on the radar.

Resistance exercise, rest intervals, creatine timing, and movement screening all get a practical look in this research roundup. The value is in separating useful coaching takeaways from overhyped conclusions.

Eggs, calorie restriction, eccentric training, and nutrition all show up in this research roundup. The useful question is not what a study says in isolation, but how a coach applies it.

RIR scales, alternate-day fasting, strength training, mental imagery, and injury prevention all make the cut in this research roundup. The focus is practical application, not academic wallpaper.

From warm-ups and deadlifts to posture, sprinting, hormones, and hypertrophy, this research roundup pulls practical takeaways for trainers who like their advice backed by more than gym folklore.

Personal trainers who stop learning get stale fast. This research-focused entry pulls practical lessons from recent findings and turns them into usable coaching and programming takeaways.