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Students who are watching this, let's work hard during the summer vacation and become stronger.

↳ 아니 내계정 ㅠㅠ

For those who want to build their rear shoulders, doing back exercises and finishing with this tip will really bring your rear to life^^

I always fit the setting into the last slot, and there's still a bit left, but now it's tight!! I feel good, hehe.

The comments are really funny, hahaha!

torture device

↳ 운동중에 웃기는거 아니랬습니다

Park Jae-hoon's leg press is stimulating. If you do 20 reps, after 4 sets, on the 5th rep, take 4-5 seconds to lower it, and after finishing, you absolutely can't get up or stand without pausing once.

↳ 원래 네거티브는 모든 횟수마다 하는 거에요... 박재훈씨는 고중량 쳐서 5번에 한 번일 뿐

How do you set up the barbell by hand??ㅠㅠ

↳ 손바닥말고 손가락 마디 걸어놔요 저는!

Are you T? Cutie? Pretty? Hmm~ I'm T Bar Row.

↳ ?

It's comfortable to lean against the incline bench.

↳ !? ㅋㅋㅋㅋ 융단폭격..

If you make a mistake, watch a YouTube video about exercises that can destroy your shoulders.

I like using the dumbbell for this exercise instead of the machine

↳ how tf😂

Shoulder pain ㅜㅜ It's a forearm vertical position, but what could be the reason for the pain?

↳ 일리가 있군요 슨배님 참고하겠습니다 ❤️

Experience a newly born giraffe.

It cracks from my shoulder ㅠㅠㅠ

↳ 하기전에 어깨 스트레칭 충분히 하고 하세요

Is it just my shoulder that hurts?

Ha.. This guy is so delicious.

It's really hard.

I'm sweating on my neck ㅜ And why do I have phlegm?

It's really hard.

It's really hard.