@drethankellum: Which one did I get wrong? Tell me below. How do you know if a fitness trend is worth your time? Ask one question before you start: could I still be doing this in five years? Most trends are built to go viral, not to last. They promise fast results, they're extreme on purpose, and they usually leave out recovery. That's why the injury tends to show up a few weeks in, right when the excitement wears off and the fatigue piles up. A few things that separate a good program from a trend: It gets harder gradually. Progress should come from adding a little over time, not from punishing yourself on day one. It has rest built in. Your body adapts between sessions, not during them. It includes some form of strength training. It doesn't hurt your joints. Muscle soreness is normal. Sharp pain or joint pain isn't the price of results. And the boring stuff counts. Sleep, protein and walking never trend, but they carry most of the results. I ranked the biggest fitness trends from S tier to D tier in the video, and a few of the most popular ones land right at the bottom. #fitnesstrends #tierlist #75hard #strengthtraining #orthopedicsurgeon

Dr. Ethan Kellum
Dr. Ethan Kellum
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Friday 23 October 2026 14:05:20 GMT
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stu_dub05
Stu_dub :
75 hard is what started this and I have continued 7 days a week 2 works a day every single day since July 15th 2025….
2026-10-23 16:07:58
114
bhindclosedoorz
Jewelz :
Zone 2 cardio is S tier!
2026-10-24 20:46:19
5
mike.cook30
Mike Cook :
Walking is S or A tier so it is low and rucking is rough on knees real rough it’s c tier.
2026-11-09 12:38:08
0
speedyjune
SpeedyJune :
"huh hit the brakes'😂
2026-10-23 15:01:01
247
ajbeatzz
Ajbeatzz :
Ice bath is A!! kills inflammation major for recovery!
2026-10-23 19:51:29
3
curlyscribeproductions
MayaThePhoenix :
I love 75 Hard! I just build in recovery days where I do yoga or mobility training on those days
2026-10-23 15:09:57
65
tinap814
TinaP814 :
75 hard isn’t just about working out, its about changing habits,changing how live, not just working out.
2026-10-27 02:55:15
16
c_papi22
0liV3R :
wrong about ice baths, 75 hard gives you 1 rest day a week, Rucking isn't good for your joints, you CAN spot reduce but its not like what people think.
2026-10-23 15:59:06
1
fitnfabqueen
Presly Tanus :
what is 75 hard?
2026-11-05 04:22:01
1
unkn0wn7436
unkn0wn :
Lifting doesn’t need to be heavy, I think progressive overload is the better approach
2026-10-23 15:33:51
16
zionvibezs
Zionenergy :
Walking fast in zone 2 is S-tier
2026-10-23 18:49:30
17
tomchallan
Tom Challan :
75 hard doesn’t make sense until you do it. I’ve never seen so many people get in shape from it even though it’s not perfect. And the seven day a week thing could be an easy walking rest, stretching, or light mobility as well.
2026-10-23 15:14:24
18
drbruce65
Dr. Bruce Guillory, D.C. :
75 Hard has been fantastic for me. I start every year off on January 1 doing 75 Hard. You don’t have to work out hard every single day. Many times my workouts are just two walks that day. It knocked 15 pounds off of me the first time I did it. It cleared up a lot of inflammation in my body because I ate totally clean for 75 days and had zero alcohol. I’ll be doing it again in January 1, 2027. Join me!
2026-10-23 17:36:30
5
shelly22978
Shelly :
Lifting heavy for seniors …..fracked my back
2026-10-23 19:04:05
0
bigjay7893
Jay :
When should you take an ice bath?
2026-10-23 20:54:25
1
b49748
O :
Calisthenics doc !
2026-10-23 19:22:06
1
user43616012019771
MikeG :
I think you need to look closer at CrossFit programming. It’s isn’t just heavy lifts while exhausted.
2026-10-23 15:46:09
0
d485986
D :
I put aerobic exercise as important as weights. I do both and the cardio fitness is fantastic to have
2026-11-05 01:46:00
1
hayden_ut12
Hayden :
Which one did you get wrong?! I’m not the Dr here bro 🤣
2026-10-23 16:27:43
4
spira_lotus
Spira Lotus :
Unheated yoga?
2026-10-27 17:56:46
1
alexis.nicole.young
Alexis Nicole Young :
Agreed! That’s why I love Lagree, it’s like Pilates, but with added weights. That combined with heavy lifting at the gym has helped me reach my goals.
2026-10-28 06:46:36
1
mikaylaspage
mik🧍🏾‍♀️ :
75 hard but this was me day 50 god is good and do what’s best for you ive already hit 75 days but im decided to continue because not only am i out of pre- diabetes and have a best a1c i have had in 5 years but i also mentally feel better i lost 45 pounds ❤️
2026-10-24 02:32:32
0
thesamuraijaxon
Izzy McGuire :
Yoga teacher here, hot yoga is fine but if you can’t breathe properly it destroys the purpose of yoga
2026-10-23 23:37:25
1
ranch046
Rachel :
yippee i do heavy lifting and zone 2 cardio 😛
2026-10-27 16:31:34
1
alleyezonje
Je O :
I haven’t taken a rest day in 8 years
2026-10-24 02:09:12
1
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