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Karl Matt Button │ Apex Fitness Adv. Profile picture
@KarlApexFit
Aug 31, 2025 • 12 tweets • 5 min read • Read on X
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10 years ago I busted my knee, had surgery, and lost all my muscle mass.

But now my legs are bigger than ever.

How?

Because I used the 5 best leg exercises on the planet:

(Here they are with videos of each included below)

= Thread = Image
1. Hack Squat:

Arguably the best quad builder.

▫️ Takes strain off the back
▫️ Increased range of motion
▫️ Prioritizes muscle failure over task failure
▫️ Increased mechanical tension on the quads
▫️ Better stimulus on the quads over back

*Pendulum squats are also elite
2. RDL:

Elite at hitting entire posterior chain.

▫️ Pull hips as far back horizontally as you can to 'hinge effectively (do not bend forward at the waist)
▫️ Use Wrist Straps to ensure muscle not task failure (hamstrings not grip strength are the limiting factor)
▫️ Slowly lower the weight down (imagine you are pushing your butt back to close a car door behind you)
▫️ Focus on pushing your hips 'back and up' towards the top of the room
▫️ Use a low and controlled motion
▫️ Ensure zero rounding of your lower back
▫️ Quality > Quantity
3. Leg Press:

Shifts our centre of gravity to avoid that big lean forward which back squats force us to do

⚬ Massive external stability
⚬ All emphasis on the legs

* Note: Just don't be that guy who goes WAY too heavy with crap range of motion
4. Leg Extensions:

Rarely do you see these get used appropriately for muscle gain

Often thrown in as a light weight 'finisher'

Make sure to hit these with heavy high intensity efforts

⚬ 5-10 reps
⚬ 0-2 RIR
⚬ 2-3 sets

Your quads will be screaming by the end...
5. Seated Hamstring Curls:

Studies show seated hamstring curls as the superior option to add strength and size to your hanstrings.

▫️ Control each rep
▫️ Squeeze at the bottom
▫️ Pull back through your heels
▫️ Slow 3-4 second eccentrics

Elite option.
There you have it...

The 5 best leg exercises I used to build my legs back.

1. Hack Squat
2. RDLs
3. Leg Press
4. Leg Extensions
5. Seated Hamstring Curls

Make sure to add these to your leg workouts to take your results to the next level... Image
PS.

Ready to remove all of the guesswork with a proven roadmap done for you to...

Optimize your health and performance:

• Shred 25+lbs of fat
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• Change the Trajectory of Your life

And get a body you can be proud of...

Results guaranteed ⬇️ Image
PS.

Want access to a 1:1 VIP coaching system with a 15 year track record with zero guesswork?

▫️ Torch fat
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Results guaranteed.

DM me 'APEX' for more info and let's chat.
x.com/messages/compo…
If you enjoyed this post:

1. Follow me @KarlApexFit
2. Retweet the first tweet

I'm here to help you:

• Shred Fat
• Build Lean Muscle
• Optimize your health and fitness permanently

Start today
Protein is your key to get in shape.

So I put together the APEX High Protein Database.

🔥110 Simple High Protein Meals
🔥All made in under 15 minutes

Join 5,000 other High Performers getting in shape.

Grab your FREE copy here: vshapefitness.net/v-shape-high-p…

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More from @KarlApexFit

Karl Matt Button │ Apex Fitness Adv. Profile picture
Feb 7
10 years ago I herniated a disc in my back.

- Pain
- Sciatica
- Inability to train

But now I deadlift over 220kgs.

Here are the 4 Simple Exercises I used to get my back strong and pain free:

= Thread =
1. Cobra Stretch:

• Lie face down with hands under your shoulders.
• Gently push your torso up, keeping your hips glued to the floor.
• Breathe out as you reach the top and hold for 2–3 seconds.

The Benefit: This extension helps to decompress the spine.
2. Thoracic Rotations:

• Start on all fours (quadruped position).
• Place one arm out a 90 degree to your body
• Streth the other across your body
• Follow the movement with your eyes, then return to center.

The Benefit: Improving upper-back mobility reduces the excessive rotational stress placed on the lower back.
Read 9 tweets
Karl Matt Button │ Apex Fitness Adv. Profile picture
Jan 30
Can't lose fat?

I guarantee it's your crappy diet.

After 17 years Training and Coaching here are 27 Nutrition Tips to help you get lean permanently:

1. Carbs won't make you fat...
2. Nutrition is the key to lose fat (not cardio)

1lb Fat loss per week = a 500 caloric deficit/day over 7 days.

⚬ To burn 500 calories on the treadmill = 1 hour
⚬ To not eat that 500-calorie donut = 5 seconds

Understand nutrition and you'll never worry about fat loss again.
3. Your number 1 priority to lose fat has to be a caloric deficit. In a caloric deficit you are legit GUARANTEED to lose fat.

To do this make sure you know your caloric intake. Without this knowledget there will always be 'guesswork'.

Once you know it, hit it consistently.
Read 21 tweets
Karl Matt Button │ Apex Fitness Adv. Profile picture
Jan 26
Here are 5 simple exercises you can use to help stop elbow pain for life: Image
First what is elbow tendinopathy?

Both tennis elbow (lateral/outside) and golfer’s elbow (medial/inside) are elbow tendinopathy.

Caused by inflammation, irritation, or degeneration of the tendons around the elbow due to repetitive stress or overuse.

The good news?

These 5 simple exercises can help reduce the pain:Image
1. Wrist Extensor/Flexor Stretch

How:

⚬ Extend your affected arm straight out, palm facing down
⚬ Use your other hand to gently pull your fingers toward your body until you feel a stretch on the top of your forearm.

Reps/Duration: Hold for 15-30 seconds, 3 times, 2-3 times daily.

Tip: Keep your elbow straight and avoid forcing the stretch.
Read 11 tweets
Karl Matt Button │ Apex Fitness Adv. Profile picture
Jan 23
Building muscle is your key to longevity and health.

But don't waste a decade trying to figure out what works.

I've built 45lbs of muscle over the last 17 years.

These are the 7 most important training tips I wish I knew when I first started:

= Thread = Image
Muscle is one of the biggest indicators for longevity.

And it's how you lift that matters.

You need "mechanical tension"

The force/tension exerted on muscle fibers during a lift.

The more tension you generate, the more fibers you recruit and stimulate, leading to growth.

But
Most people completely ignore this when they workout.

▫️ Terrible exercise selection
▫️ Crappy intensity
▫️ Terrible form

Letting their ego get the better of them by swinging weight around.

Stop spinning your wheels with basic errors...

This is what you need to do...
Read 16 tweets
Karl Matt Button │ Apex Fitness Adv. Profile picture
Jan 21
'Eat less and move more' is a lie.

The truth is you can get lean eating more food.

How?

You need High Volume to Caloric Ratio Foods.

Here are 5 of my favorites to help you eat more and stay lean:

= Thread = Image
To torch fat you have to be in a caloric deficit.

Nutrition is the easiest way to do this.

'Yeah, but I don't want to starve myself'.

You don't have to.

The key is knowing the right foods you can eat more of to get lean and stay full.

Here are 5 of my all-time favorites...
1. Blueberries:

Blueberries may just be my favorite.

⚬ Tast delicious
⚬ High in nutrients
⚬ Low in calories

This makes them nearly impossible to 'overeat'

You can eat half a kg of these for just 250 calories.

A great option when torching fat. Image
Read 11 tweets
Karl Matt Button │ Apex Fitness Adv. Profile picture
Jan 18
After 17 years training and coaching, here is every piece of fat loss advice I could come up with:

1. Stop drinking alcohol.
Or at least limit it. Alcohol kills your metabolism, messes up hormones, increases hunger, and wrecks sleep.

By all means enjoy a drink from time to time, but if it's a regular choice of consumption and you're not losing body fat consider cutting intake to maximize results.
2. Discipline is the most overlooked asset for health and fitness success. Learn to prioritize long term goals over short term gratification.

3. Your number 1 priority to lose fat has to be a caloric deficit. In a caloric deficit you are GUARANTEED to lose fat.
Read 23 tweets

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