Yiannis Christoulas

@UCQGEdUJiXc8UPGqx6Vev5pg - 138K subscribers

Evidence-based educational content to help you achieve all-around fitness.

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Round vs. Straight Back Stretching: Is One Actually Safer or More Effective?

Round vs. Straight Back Stretching: Is One Actually Safer or More Effective? Yiannis Christoulas

3.1K views - 6 days ago

4 Hard Truths About Flexibility Training I Wish I Knew From Day #1

4 Hard Truths About Flexibility Training I Wish I Knew From Day #1 Yiannis Christoulas

63.2K views - 7 months ago

Why Full-Range Exercises DON'T Build Full-Range Strength (Science-Based)

Why Full-Range Exercises DON'T Build Full-Range Strength (Science-Based) Yiannis Christoulas

19K views - 1 year ago

The 20 BEST and Worst Side Split Exercises Ranked

The 20 BEST and Worst Side Split Exercises Ranked Yiannis Christoulas

237.1K views - 1 year ago

Study Shows 30% Flexibility Improvement! Here's How They Did It.

Study Shows 30% Flexibility Improvement! Here's How They Did It. Yiannis Christoulas

14.3K views - 1 year ago

How to Squat Properly: In-Depth Technique Guide (ft. ELEIKO)

How to Squat Properly: In-Depth Technique Guide (ft. ELEIKO) Yiannis Christoulas

10.1K views - 1 year ago

Stop Using Loaded Stretching for Flexibility (Here’s Why)

Stop Using Loaded Stretching for Flexibility (Here’s Why) Yiannis Christoulas

38.9K views - 2 years ago

#3 Undeniable Ways Flexibility Training Increases Strength!

#3 Undeniable Ways Flexibility Training Increases Strength! Yiannis Christoulas

11.8K views - 2 years ago

Standing vs Sitting Desk: Which Is Better?

Standing vs Sitting Desk: Which Is Better? Yiannis Christoulas

23.7K views - 2 years ago

8 Reasons Why Changing Exercises Destroys Yours Gains

8 Reasons Why Changing Exercises Destroys Yours Gains Yiannis Christoulas

9.2K views - 2 years ago

How To Feel Less Pain When Stretching - (Science-Based Technique)

How To Feel Less Pain When Stretching - (Science-Based Technique) Yiannis Christoulas

12.1K views - 2 years ago

Blood Flow Restriction | The Only Science Based Benefits – (26 Studies)

Blood Flow Restriction | The Only Science Based Benefits – (26 Studies) Yiannis Christoulas

50.5K views - 2 years ago

Strong & Flexible | How To Train Both Simultaneously

Strong & Flexible | How To Train Both Simultaneously Yiannis Christoulas

12.8K views - 2 years ago

Flexibility Specialist Tries Cheerdancing - (Unexpected Fail)

Flexibility Specialist Tries Cheerdancing - (Unexpected Fail) Yiannis Christoulas

20.9K views - 2 years ago

How Long to REST for Muscle Hypertrophy? (Science-Based, Ft. Dr. Swole!)

How Long to REST for Muscle Hypertrophy? (Science-Based, Ft. Dr. Swole!) Yiannis Christoulas

8.8K views - 3 years ago

How Does PNF differ from C-PR? Learn This to Increase Flexibility Faster!

How Does PNF differ from C-PR? Learn This to Increase Flexibility Faster! Yiannis Christoulas

47.1K views - 3 years ago

Rounded Back Deadlifts. A So-Called “Not Proven” Danger That Is Actually Proven!

Rounded Back Deadlifts. A So-Called “Not Proven” Danger That Is Actually Proven! Yiannis Christoulas

13.4K views - 3 years ago

How Many Sets Should You Do For Muscle Growth? - (Science Of Sets)

How Many Sets Should You Do For Muscle Growth? - (Science Of Sets) Yiannis Christoulas

7.7K views - 3 years ago

3 Expert Tips for Increasing Flexibility in 2023!

3 Expert Tips for Increasing Flexibility in 2023! Yiannis Christoulas

12.7K views - 3 years ago

How Many Reps to Build Muscle? The Ultimate Science Overview (50+ Studies)

How Many Reps to Build Muscle? The Ultimate Science Overview (50+ Studies) Yiannis Christoulas

11.5K views - 3 years ago

An Unexpected Exercise for Stronger Deadlifts | With 0.0% Back Pain

An Unexpected Exercise for Stronger Deadlifts | With 0.0% Back Pain Yiannis Christoulas

13.3K views - 3 years ago

How To Get Flexible: A New Method - (Contract Passive Range)

How To Get Flexible: A New Method - (Contract Passive Range) Yiannis Christoulas

267.8K views - 3 years ago

Should You Train To Failure To Build Muscle? - (Science Overview)

Should You Train To Failure To Build Muscle? - (Science Overview) Yiannis Christoulas

15.5K views - 3 years ago

Lower Back Pain Cause, Stretches & Exercises

Lower Back Pain Cause, Stretches & Exercises Yiannis Christoulas

14K views - 3 years ago

How to Lose Weight and Maintain It - (Scientists Say this for Years!)

How to Lose Weight and Maintain It - (Scientists Say this for Years!) Yiannis Christoulas

11.3K views - 3 years ago

How to do the Splits Fast -- This Technique Changed Everything! -- (Science Based)

How to do the Splits Fast -- This Technique Changed Everything! -- (Science Based) Yiannis Christoulas

1.7M views - 3 years ago

How to Sit Properly - Desk Ergonomics

How to Sit Properly - Desk Ergonomics Yiannis Christoulas

1.4M views - 3 years ago

4 Unexpected Reasons People Hate Running

4 Unexpected Reasons People Hate Running Yiannis Christoulas

9.3K views - 3 years ago

How to Fix Rounded Shoulders - Science Based Routine (21 Studies)

How to Fix Rounded Shoulders - Science Based Routine (21 Studies) Yiannis Christoulas

369.2K views - 3 years ago

Is Sumo Deadlift Cheating? - (Science-Based Response to Jeff Nippard)

Is Sumo Deadlift Cheating? - (Science-Based Response to Jeff Nippard) Yiannis Christoulas

26.5K views - 3 years ago

Fix Hunchback Posture in 4 Steps - (Science Based Recommendations)

Fix Hunchback Posture in 4 Steps - (Science Based Recommendations) Yiannis Christoulas

159.7K views - 3 years ago

How to FIX Forward Head Posture - Proven by Science (22 studies) + Myth Busting!

How to FIX Forward Head Posture - Proven by Science (22 studies) + Myth Busting! Yiannis Christoulas

666.1K views - 4 years ago

Is Stretching Killing your Gains? The True effects on Performance - (79 Studies)

Is Stretching Killing your Gains? The True effects on Performance - (79 Studies) Yiannis Christoulas

52.1K views - 5 years ago

Does training with mask increase performance? Elevation Training Mask Science – (9 Studies)

Does training with mask increase performance? Elevation Training Mask Science – (9 Studies) Yiannis Christoulas

73.4K views - 5 years ago

Sore Muscles after Workout | Does Stretching help? - Explained by Science (17 studies)

Sore Muscles after Workout | Does Stretching help? - Explained by Science (17 studies) Yiannis Christoulas

54.6K views - 5 years ago

Altitude Training: The truth | Explained by Science – (48 studies)

Altitude Training: The truth | Explained by Science – (48 studies) Yiannis Christoulas

24.7K views - 7 years ago

Training with Mask | Is it Worth it? | Explained by Science (7 studies)

Training with Mask | Is it Worth it? | Explained by Science (7 studies) Yiannis Christoulas

27.5K views - 7 years ago

Does Foam Rolling work? Explained by Science – 2018 (29 studies)

Does Foam Rolling work? Explained by Science – 2018 (29 studies) Yiannis Christoulas

24.3K views - 7 years ago