Strength and conditioning for Muay Thai: a fighter's guide to training outside the gym

I've watched fighters spend months building impressive deadlifts and bench presses, then gas out in round three because they trained like bodybuilders instead of fighters. I've also watched fighters avoid the weight room entirely because someone told them lifting would make them slow. Both approaches are wrong.

Strength and conditioning for Muay Thai isn't about how much you can lift. It's about building a body that can throw powerful kicks in the fifth round, absorb punishment without crumbling, and recover fast enough to train again tomorrow. The gym work has to serve the ring work. The moment it doesn't, it's a waste of your time and energy.

I've integrated S&C into my own fight camps across 50+ professional bouts and into the Australian National Team's preparation. Here's what I've learned about what actually transfers to Muay Thai performance and what just makes you sore for pad work.

The number one mistake: training like a bodybuilder

Bodybuilding programmes build muscle size through high-volume isolation work. Bicep curls, leg extensions, cable flyes, four sets of twelve on everything. This approach adds mass, creates soreness, and consumes recovery capacity that your body needs for Muay Thai training.

Fighters don't need bigger biceps. They need hips that can generate rotational force for kicks, a core that can absorb body shots, shoulders that can hold a guard for five rounds, and a cardiovascular system that doesn't quit when it gets uncomfortable.

The S&C programme that works for Muay Thai is built around compound movements, explosive power development, and fight-specific conditioning. If your gym session looks like a Men's Health workout, it's probably not helping your Muay Thai.

The exercises that actually transfer

Not all strength exercises are created equal for fighters. These are the movements I programme for myself and my fighters because they directly improve Muay Thai performance.

Lower body power: the engine of your strikes

Every powerful strike in Muay Thai starts from the ground. Your kicks, your knees, even your punches generate force through the legs and hips. Lower body power is the foundation.

• Back squat: The king of lower body strength. Builds the leg drive behind your kicks and the base stability for your clinch work. Keep it in the 3 to 5 rep range for strength, not the 10 to 12 range for hypertrophy. You want strong legs, not just big ones.
• Romanian deadlift: Targets the posterior chain: hamstrings, glutes, and lower back. These muscles drive hip extension, which is the power source for roundhouse kicks and knees. 3 to 5 sets of 5 to 8 reps.
• Bulgarian split squat: Single-leg strength and balance. Muay Thai is a sport where you spend significant time on one leg (kicking, checking, teeping). Unilateral leg strength prevents imbalances and improves stability. 3 sets of 6 to 8 per leg.
• Box jumps: Explosive hip extension and rate of force development. The ability to generate power quickly is more important for fighters than the ability to generate maximum force slowly. 3 to 4 sets of 3 to 5 reps. Quality over quantity. Rest fully between sets.

Rotational power: the missing piece for most fighters

Muay Thai is a rotational sport. Kicks rotate through the hips. Hooks and elbows rotate through the torso. The clinch involves constant rotational force. And yet most fighters never train rotation in the weight room.

• Landmine rotations: Load a barbell in a corner and rotate it from side to side at chest height. This mimics the rotational pattern of hooks, elbows, and kicks. 3 sets of 8 to 10 per side.
• Medicine ball rotational throws: Stand side-on to a wall, rotate through your hips and core, and throw the ball explosively. This is the closest gym exercise to the mechanics of a roundhouse kick. 3 sets of 6 to 8 per side.
• Cable woodchops: High-to-low and low-to-high patterns. Build rotational strength through the obliques and hip complex. 3 sets of 10 to 12 per side.

Core stability: absorb shots, stay upright

Forget crunches. A fighter's core needs to stabilise under load, resist rotation when you don't want to rotate, and absorb impact. That requires anti-movement training, not sit-ups.

• Pallof press: An anti-rotation exercise that builds the core's ability to resist being twisted. This directly translates to maintaining your stance when someone is trying to turn you in the clinch. 3 sets of 10 to 12 per side.
• Plank variations: Front plank, side plank, plank with shoulder taps. Build the endurance of your deep core stabilisers. Hold for 30 to 60 seconds per set, 3 sets.
• Ab wheel rollouts: Develops anterior core strength and the ability to resist extension under load. Progression from kneeling to standing. 3 sets of 8 to 12.
• Hanging leg raises: Hip flexor strength and lower abdominal engagement. Directly supports the teep and knee strike, both of which require powerful hip flexion. 3 sets of 8 to 12.

Upper body: functional, not for show

Upper body work for fighters should prioritise pushing endurance (holding your guard, framing in the clinch), pulling strength (clinch control, breaking grips), and shoulder stability.

• Pull-ups / chin-ups: The best upper body exercise for fighters. Builds lat and grip strength essential for clinch dominance. If you can't do pull-ups yet, use assisted variations. Work up to sets of 5 to 10.
• Push-ups: Specifically close-grip push-ups and plyometric push-ups. Close-grip builds the tricep endurance that keeps your guard up. Plyometric push-ups develop the explosive pushing power for framing and escaping the clinch. 3 sets of 15 to 20 (endurance) or 3 sets of 6 to 8 (explosive).
• Dumbbell row: Single-arm pulling strength. Mimics the one-arm pull in the clinch. 3 sets of 8 to 10 per arm.
• Overhead press: Shoulder strength and stability. Supports the guard position and clinch framing. Keep it moderate: 3 sets of 6 to 8. Heavy overhead pressing creates shoulder tightness that restricts punching range.

Programming: how to fit S&C around Muay Thai

This is where most fighters get it wrong. They add S&C on top of their Muay Thai training without adjusting anything, and end up overtrained, perpetually sore, and performing worse in both.

The fundamental rule

Muay Thai is the priority. S&C supports it. If your S&C is making you too sore or fatigued for quality Muay Thai training, you're doing too much in the gym.

Weekly structure

For someone training Muay Thai four to five times per week, two to three S&C sessions is the sweet spot. Here's how to structure it:

• Session A (Lower body + power): Squat variation, Romanian deadlift, box jumps, hanging leg raises. 45 minutes.
• Session B (Upper body + rotation): Pull-ups, push-up variation, dumbbell rows, landmine rotations, Pallof press. 40 minutes.
• Session C (optional, conditioning focus): Medicine ball throws, kettlebell swings, battle ropes or assault bike intervals. 30 minutes.

Schedule S&C on the same day as Muay Thai when possible, either before (if the S&C is power-focused and short) or after (if the Muay Thai session is technical). Avoid doing heavy S&C the day before a hard sparring session. Your legs need to be fresh for sparring.

Periodisation around fights

If you're competing, your S&C should change across the fight camp:

• 8+ weeks out: General strength phase. Moderate volume, moderate intensity. Build the base. 3 S&C sessions per week.
• 4 to 8 weeks out: Power phase. Lower volume, higher intensity. Explosive movements, heavier loads for fewer reps. 2 to 3 S&C sessions per week.
• 2 to 4 weeks out: Maintenance phase. Reduce S&C volume significantly. 1 to 2 short sessions. Maintain strength without creating fatigue. Muay Thai training takes priority.
• Fight week: No S&C. All energy goes to Muay Thai preparation, weight management, and mental readiness.

The mistake I see most often is fighters increasing S&C intensity as the fight approaches, thinking they need to peak physically. The opposite is true. You peak by reducing total training load and letting your body recover, not by adding more.

Conditioning: fight-specific fitness

Muay Thai conditioning is different from general cardiovascular fitness. A five-round Muay Thai fight has a specific energy system demand: repeated explosive efforts (combinations, clinch entries, kicks) with short recovery periods between them. Running a steady 5km doesn't replicate this.

What works

• Pad rounds at fight pace: The best conditioning for Muay Thai is Muay Thai. High-intensity pad rounds with your coach, working at fight pace for 3-minute rounds with 1-minute rest, build the exact energy system you need.
• Interval training: 30 seconds of maximum effort followed by 30 seconds of rest, repeated for 5 to 8 rounds. Use an assault bike, rower, or battle ropes. This mirrors the work-to-rest ratio of exchanges in a fight.
• Skipping: The classic fighter conditioning tool. 15 to 20 minutes of continuous skipping with intensity variations builds aerobic capacity, calf endurance, coordination, and rhythm. There's a reason every Muay Thai gym in Thailand starts with skipping.
• Clinch rounds: Extended clinch work is exhausting in a way nothing else replicates. If your gym allows it, 5-minute clinch rounds against a resisting partner are the most fight-specific conditioning available.

What doesn't work as well as you think

• Long slow runs: Running 10km at a steady pace builds aerobic base, which has value, but it doesn't prepare your body for the explosive, repeated-effort demands of fighting. Use steady-state running sparingly: once or twice a week for base fitness. Don't make it the centrepiece of your conditioning.
• CrossFit-style WODs: High-volume, high-intensity circuits with complex movements under fatigue. The injury risk is high, the technical standards degrade, and the fatigue created competes with Muay Thai recovery. Some fighters swear by CrossFit. I've seen more fighters injured by it than improved by it.

Common myths I hear from fighters

"Lifting weights will make me slow"

No. Lifting heavy weights slowly might reduce your speed if that's all you do. But a well-designed S&C programme that includes explosive movements (box jumps, med ball throws, plyometric push-ups) alongside strength work actually improves rate of force development, which makes you faster and more powerful. The key is programming: include power work, not just grinding heavy sets.

"I don't need S&C, I just need to train more Muay Thai"

If you're a Thai fighter training 30+ hours a week, maybe. If you're training 8 to 12 hours a week alongside a job, S&C fills gaps that Muay Thai training alone can't fill. Specifically: raw strength, structural balance (addressing muscle imbalances that lead to injury), and explosive power that degrades under fatigue. S&C is insurance against breaking down.

"I should do S&C instead of Muay Thai on some days"

Only if your Muay Thai schedule is already full and you're using an S&C day as an active training day. S&C should never replace Muay Thai sessions. The skills, timing, and fight-specific conditioning you get from pad work, sparring, and drilling can't be replicated in a weight room. S&C supplements. It doesn't substitute.

A sample week

For a fighter training Muay Thai five times per week with two S&C sessions:

• Monday AM: S&C Session A (lower body + power, 45 min). PM: Muay Thai (pads, bag work).
• Tuesday: Muay Thai (technical drilling, light sparring).
• Wednesday: Active recovery. Light shadowboxing, stretching, foam rolling. See our recovery guide for the full approach.
• Thursday AM: S&C Session B (upper body + rotation, 40 min). PM: Muay Thai (sparring, clinch work).
• Friday: Muay Thai (pads at 70%, technique focus).
• Saturday: Optional light Muay Thai or conditioning session.
• Sunday: Complete rest.

Adjust based on how you feel. If Thursday's sparring leaves you wrecked, skip Saturday. If you're feeling strong mid-week, add an optional conditioning session on Wednesday instead of pure rest. Listen to your body. The programme should serve you, not the other way around.

And fuel all of this properly. Your nutrition needs to match the training volume. Fighters adding S&C to their week without increasing their food intake end up underfuelled and overtrained.

Frequently Asked Questions

How often should Muay Thai fighters lift weights?

Two to three times per week is optimal for most fighters training Muay Thai four to five times per week. This provides enough stimulus for strength and power development without creating excessive fatigue that compromises Muay Thai training quality. Each S&C session should be 30 to 45 minutes of focused, compound movements, not extended bodybuilding-style sessions.

What are the best strength exercises for Muay Thai?

The exercises that transfer most directly to Muay Thai performance are: back squats and Bulgarian split squats (leg drive for kicks), Romanian deadlifts (posterior chain for hip extension), pull-ups (clinch strength), medicine ball rotational throws and landmine rotations (rotational power for kicks and elbows), box jumps (explosive power), and anti-rotation core work like Pallof presses (clinch stability and shot absorption).

Does weight training make fighters slower?

No. A well-designed programme that includes explosive movements (box jumps, plyometric push-ups, medicine ball throws) alongside strength work improves rate of force development, which makes fighters faster and more powerful. Only programmes focused exclusively on slow, heavy lifting without power work risk reducing speed. The key is programming explosive exercises alongside strength work.

Should I do S&C before or after Muay Thai?

If the S&C session is power-focused and short (box jumps, explosive lifts), doing it before Muay Thai can work because your nervous system is fresh. If the Muay Thai session is technical and lower-intensity, doing S&C after works well. Never do heavy S&C the day before a hard sparring session. Your legs and nervous system need to be fresh for sparring.

Is CrossFit good for Muay Thai fighters?

CrossFit builds general fitness and mental toughness, but the high-volume, high-intensity circuits with complex movements under fatigue carry a higher injury risk than targeted S&C programming. The fatigue from CrossFit-style workouts also competes with Muay Thai recovery. A fighter-specific S&C programme with compound lifts, explosive work, and fight-specific conditioning is more effective and carries lower injury risk.

Adam Bailey is a 2x World Middleweight Muay Thai Champion, Head Coach of the Australian National Team, and co-founder of Supa Phat. He programmes S&C for his fighters the same way he programmes their fight camps: with purpose, not just effort. Follow Supa Phat on Instagram for training tips, gear drops, and community highlights.