Training2 min read
Butt wink in the squat: should you change your technique?
Butt wink in squats: understand pelvic tuck, assess movement control and compare setup changes without diagnosing an injury from a video.
Practise. Understand. Share.
Louis
de Zepraug.
A certified fitness coach with the French CQP Instructeur Fitness qualification, Louis has 10 years of personal strength training experience and leads Zepraug.
Explore the articles
10 years
of personal strength training
CQP
Instructeur Fitness
One background,
several perspectives.
Practice and qualification
Ten years of personal strength training and the CQP Instructeur Fitness are two distinct parts of Louis’s background. That duration describes his experience as a trainee.
His connection to Zepraug
Louis is CEO of Zepraug. These articles appear on the app’s website; when an article discusses the app, the author’s connection to it remains explicit.
Useful guidance,
with its limits.
Our editorial approach separates what a source supports from a coaching suggestion. Each article explores a question from our social content, with access to the references and an explanation of their scope.
A fitness coaching qualification is not a medical qualification. These articles do not replace individual support appropriate to a person’s health situation.
Understand Zepraug’s limitations ↗Articles by Louis
All resources ↗
Nutrition2 min read
Creatine and hair loss: what do studies show?
Creatine and hair loss: separate the DHT rumour from direct hair measurements, with study limitations and practical supplementation context.
Training2 min read
Pull-ups: which grip should you choose to progress?
Overhand, underhand or neutral: understand the differences and choose consistent reference points to progress with pull-ups.
Training2 min read
How many strength training sessions per week?
Two, three or more sessions: choose a strength training frequency around your schedule, training volume and recovery.
Nutrition2 min read
Are protein products really useful?
Protein yoghurt, bars or powder: judge their usefulness by your meals, your needs and the convenience they offer.
Understanding your data2 min read
Your watch says “poor recovery”: what should you check?
A low recovery score does not tell your whole story. Check measurement quality, trends and how you feel to better understand your watch.