結果 : what happens if you always pop your knuckles
1:35

Here's what happens to your knuckles when you crack them

Vox
65,810,078 回視聴 - 9 年前

-
4:22

Why do your knuckles pop? - Eleanor Nelsen

TED-Ed
5,639,561 回視聴 - 9 年前
0:27

WHAT HAPPENS WHEN YOU CRACK YOUR KNUCKLES

Catherine Szabo
203,050 回視聴 - 2 年前

-
0:57

Why do your knuckles crack??

Henry Belcaster
2,495,113 回視聴 - 2 か月前
0:29

Effects of cracking knuckles

News Direct
417,210 回視聴 - 11 年前
4:29

Why Do Your Knuckles Pop? The Dr. Binocs Show | Best Learning Videos For Kids | Peekaboo Kidz

Peekaboo Kidz
901,445 回視聴 - 5 年前
6:58

Arthritis Doctor Explains: CRACKING KNUCKLES GOOD or BAD

Violin MD
835,546 回視聴 - 3 年前
0:25

What Happens When You Crack Your Knuckles? #shorts

Ron Wright
94,421 回視聴 - 2 年前
0:26

What Happens When You Crack Your Knuckles #shorts

Ron Wright
319,934 回視聴 - 2 年前
0:24

Here’s What ACTUALLY Happens When You Crack Your Knuckles!

Kylie Talamantez
7,050 回視聴 - 1 年前
4:08

What Happens When You Crack Your Knuckles?

Top 10s
218,042 回視聴 - 5 年前
0:33

What Actually Happens When You Crack Your Knuckles #Shorts

Bobby Moore Facts
472,894 回視聴 - 3 年前
1:57

Why do knuckles crack?

Beyond the Scalpel with Dr. Paull
84 回視聴 - 3 年前
3:11

This is what happens when you crack your knuckles

Hashem Al-Ghaili
33,281 回視聴 - 2 年前
1:33

Is Cracking Your Knuckles Bad For You?

Business Insider
22,098 回視聴 - 10 年前
0:27

WHAT ACTUALLY HAPPENS WHEN YOU CRACK YOUR KNUCKLES!

Dog Reacts
220,628 回視聴 - 3 年前
0:26

WHAT ACTUALLY HAPPENS WHEN YOU CRACK YOUR KNUCKLES

Catherine Szabo
8,460 回視聴 - 3 年前
0:28

What Actually Happens When You Crack Your Knuckles?

DanOndrey
21,691 回視聴 - 1 年前