How I Injured My Shoulder Using Old Training Methods — And How Biomechanics Saved Me

Two years ago, before I discovered the science behind real boxing performance, I believed that traditional strength training — low reps, heavy weight, long rest — would make me punch harder and faster.

I was wrong.

That old belief led to one of the worst injuries of my life: a shoulder injury that lasted two full years.

This is the story of how it happened… and how learning joint-action biomechanics and developing the Boxing Coach Juan Curriculum Framework completely rebuilt my shoulder, restored my punching power, and changed the way I train fighters forever.

---

The Old Way: Heavy Lifting, Low Reps, and Misguided Strength Work

Back then, I trained the way most fighters still train today:

• Low reps (3–5)
• Heavy weight (80%+)
• Heavy bench press
• Heavy deadlifts
• Heavy overhead pressing

I thought “maximum strength” would equal maximum punching power.

The problem? None of those lifts matched the actual joint actions used in punching.

They made me stronger, yes — but not stronger in the way boxing requires.

Worse, they didn’t protect my joints… and eventually, everything collapsed.

---

The Night Everything Went Wrong

One day, after barely sleeping and drinking the night before, I hit the gym anyway — stubborn, tired, dehydrated, and trying to push through it.

I warmed up, grabbed the bar, and went straight into:

• weighted pull-ups
• weighted chin-ups
• heavy bench press

I felt nothing at first.

But the next day, I tried hitting the heavy bag — and that’s when the pain began.

Sharp pain with punches. Pain with pushups. Pain sleeping on my side.

That pain lasted 2 years.

Two years of feeling like my boxing career and my coaching were both slipping from my hands.

---

The Breakthrough: Learning the Real Science of Joint Actions

Everything changed when I learned the true biomechanics of punching from Dr. Yessis’ work — and later developed my modern curriculum built on those principles.

Here is what I learned:

• Punching power does NOT come from heavy lifting
• Punching power does NOT come from muscle size
• Punching power comes from joint actions

The key joint actions are:

• Hip joint abduction → weight shift
• Hip rotation
• Shoulder rotation

Strengthening these joint actions is what increases punching power — not bench presses, deadlifts, or bodybuilding movements.

This changed everything.

---

How I Healed My Shoulder (and Why My System Works Better)

When I stopped heavy barbell work and switched to:

• General Strength (1×20–30) to rebuild joint integrity
• Specialized Strength matched to punching mechanics
• Hip action work
• Rotational control
• Shoulder-specific range training
• Explosive work (only after the pathway is built)

My shoulder healed.

Slowly at first — then rapidly.

For the first time in years, I could:

• hit the heavy bag pain-free
• punch with real rotation
• throw combinations with power again

That’s when I knew:

The old strength approach was never built for boxing. The biomechanics approach is.

---

The Lesson for Boxers and Coaches

If you want to punch harder, faster, and with less injury risk, you must train:

• the joints
• the movement patterns
• the kinetic chain
• the neuromuscular pathway of the punch

Not bodybuilding lifts. Not powerlifting routines. Not random “strength workouts.”

This is why I built the Boxing Coach Juan Curriculum Framework — so you never make the same mistake I did.

---

“7–5–3” Heavy Bag Drill: Speed, Conditioning & Real Boxing Skill

This drill has been on my site for years — and it’s still valid today. But I want to be crystal clear about something:

This is NOT just a sweat session.
It only becomes a high-level boxing drill when every punch follows the correct joint actions:

• Hip joint abduction → weight shift
• Hip rotation
• Shoulder rotation

If you throw sloppy chains just to get tired, it’s cardio. If you throw clean chains with full mechanics, it becomes a neuromuscular skill + conditioning drill inside the Boxing Coach Juan Curriculum Framework.

---

What Is the 7–5–3 Heavy Bag Drill?

This session is built around three 3-minute rounds on the bag, followed by 1 minute on the agility ladder.

The idea: You use different combination lengths — 7-punch, 5-punch, 3-punch — while keeping the jab, footwork, and mechanics sharp the whole time.

Done correctly, it helps you:

• Develop rhythm and flow with your jab
• Build hand speed without losing form
• Improve conditioning while staying technical
• Practice weight shift → hip turn → shoulder rotation under fatigue

---

Round 1 – The 7-Piece Combinations

Time: 3 minutes on the heavy bag

Start the round by playing with the jab and footwork:

• Touch the bag with the jab
• Move your feet, change distance, change angle
• Stay relaxed and see the openings

When you feel ready, fire any 7-punch combination with full mechanics:

• Weight shifts into the punches
• Hips initiate, shoulders follow
• Hands stay loose and snap at the end

After every 7-piece, go right back to the jab. Reset, move, and throw a different 7-punch combination next time.

Goal of Round 1: Teach your body to stay relaxed, then explode through longer chains of punches without losing form.

---

Round 2 – The 5-Piece Combinations

Time: 3 minutes

Same structure, shorter chains.

Play with the jab → move → then fire clean 5-punch combinations.

Because the combos are shorter than Round 1, you should focus on:

• Sharper hip rotation
• Tighter defense on the exits
• Staying balanced after every combo

Goal of Round 2: Condense the volume into tighter, cleaner, more powerful combinations while keeping the jab as your reset.

---

Round 3 – The 3-Piece “Split-Second” Combinations

Time: 3 minutes

This is the speed round.

Every 3-punch combination should be thrown:

• Fast – like a split-second burst
• Relaxed – no tension in the shoulders
• Technical – full weight shift, hips, and shoulders

Examples: 1–2–3, 1–2–1, 2–3–2, 3–2–3, etc. You’re not married to set combos — but the mechanics must stay clean.

Goal of Round 3: Let your hands go fast while your feet, hips, and torso stay under control.

---

Agility Ladder – 1 Minute

Right after Round 3, go straight into the agility ladder for 1 minute.

Options:

• High knees through the ladder
• In-and-out steps
• Lateral step patterns

This is not just “conditioning.” You’re teaching your legs and hips to change direction under fatigue — which directly supports your boxing footwork and agility.

---

How Many Sets?

A full block of this drill =

• Round 1 – 7-piece combos
• Round 2 – 5-piece combos
• Round 3 – 3-piece combos
• + 1 minute on the ladder

Start with 1 full block. As your conditioning and technique hold up, build to 2 total blocks.

---

Where This Fits in the Boxing Coach Juan Curriculum

This is NOT your strength or explosive block.

Inside the Boxing Coach Juan Curriculum Framework, this drill fits as:

• Skill + conditioning work in Phase 1 (GPP) or early Phase 2
• A way to layer volume on top of already learned technique
• A tool to pressure-test your mechanics under fatigue

In other words, you should already know how to shift weight, turn the hips, and rotate the shoulders correctly before using this as a main workout.

If the mechanics are bad, this drill just wires in bad habits. If the mechanics are correct, it sharpens timing, rhythm, power output, and conditioning at the same time.

---

Who This Drill Is For

This 7–5–3 drill is a great fit for:

• Beginners who already know basic stance and punch mechanics
• Everyday people who want a “real boxer’s workout” (not just random cardio)
• Amateur and pro fighters who want to sharpen output and conditioning

It’s not a magic formula — it’s a way to layer structured volume on top of solid technique.

---

Golden Gloves Core Routine (Updated): Boxing Ab Workout for Real Punching Power

In 2012, the last time I won the Daily News Golden Gloves in the Theater at Madison Square Garden, my core was rock solid. I originally shared this ab routine online back then, and it became one of my go-to templates whenever I needed my trunk to feel strong, stable, and ready for championship rounds.

Back then, I didn’t fully understand the biomechanics the way I do now inside the Boxing Coach Juan Curriculum Framework — but the truth still holds:

A strong core helps you transfer force from the ground → through the hips → into the shoulders → into the punch.

What’s different now is how I frame this workout:

• It’s not a magic “6-pack” routine.
• It does not replace punching, footwork, running, or 1×20–30 strength work.
• It’s an accessory core routine you can plug into Phase 1 (GPP) to support better mechanics, stability, and force transfer.

---

How to Use This Boxing Ab Routine (Today)

Here’s how I recommend using this routine now, with everything I know about proper boxing training:

• Frequency: 2–3x per week, on non-sparring or lighter days.
• Rest: 30–45 seconds between sets.
• Tempo: Controlled on the way down, strong but not sloppy on the way up.
• Breathing: Exhale on effort (when you crunch, raise, or roll out).
• Pain rules: You should feel muscle burn, not sharp pain in your lower back, hips, or neck.

Important: This is a high-volume routine. If you’re new or your core is deconditioned, start with 2–3 sets instead of 4, and build up over a few weeks.

---

Why Core Matters in Boxing (Biomechanics View)

In my system, real punching power comes from three main joint actions:

• Weight shift
• Hip rotation
• Shoulder rotation

Your core is the bridge that lets that power travel from the legs and hips into the shoulders and, finally, into the glove. A strong, well-trained trunk helps you:

• Stay stable when you shift weight and rotate hips
• Absorb and redirect force when you defend
• Hold posture and balance while throwing combinations
• Recover faster between exchanges and late in the fight

This Golden Gloves routine is one way to build that bridge — as long as you keep it connected to good stance, weight shift, and rotation mechanics in your boxing training.

---

The Golden Gloves Ab Routine (Updated Breakdown)

All exercises are done for 4 sets × 15 reps with 30–45 seconds rest between sets.

1. Decline Sit-Ups – 4 × 15
   Focus on keeping your lower back supported against the bench as much as possible. Don’t yank your neck. Think about “ribcage rolling toward pelvis” instead of just sitting up fast.

2. Seated Knee Raises – 4 × 15
   Sit on a bench or edge of a box, lean back slightly, and bring both knees toward your chest. Control the lower phase so your feet don’t just crash down.

3. Lying Knee Raises – 4 × 15
   Lie on your back, hands lightly bracing near your hips or under your glutes. Bring knees toward your chest and control the return. Avoid letting your lower back arch hard off the floor.

4. Knee-Reach Crunches – 4 × 15
   Lie on your back with knees bent. As you crunch up, reach your hands toward your knees or shins. Small range, big tension. Don’t pull on your neck.

5. Standard Crunches – 4 × 15
   Classic crunch with short range of motion. Think about closing the gap between your ribs and pelvis while keeping your lower back gently pressed into the floor.

6. Ab Wheel Rollouts – 4 × 15
   Start from your knees. Roll out only as far as you can while keeping your lower back from sagging. If 15 is too much at first, start with fewer reps and build up.

7. Decline Alternate Side Sit-Ups – 4 × 15 (each side counts as one)
   On a decline bench, sit up and rotate slightly to one side, alternating left and right. Think “rib to opposite hip” instead of just twisting your neck or arms.

8. Side Raises – 4 × 15
   Side bends or side crunches (on the floor or a bench). Keep the movement controlled. The goal is to hit the obliques, not jam your lower back.

9. Side Leg Reach Raises – 4 × 15
   Lying on your side, lift your top leg up and slightly forward, reaching with your foot. This hits the lateral trunk and hip together — important for stabilizing angles and lateral movement in the ring.

---

Where This Fits in the Boxing Coach Juan Curriculum Framework

This routine belongs in:

• Phase 1 (GPP): General Physical Preparation — building base strength and endurance in the trunk.
• Accessory work: After your main technical work, running, and 1×20–30 general strength.

It supports, but does not replace:

• Technical punching drills (weight shift → hip turn → shoulder rotation)
• Specialized strength work that matches your punching mechanics
• Explosive work later in Phase 2–3

Used the right way, this routine helps your core keep up with your skill, strength, and conditioning — not fall behind it.

---

My favorite abs workout. I try to do it a minimum 2-3 time a week 1 day yes one day no, and always before boxing training. I warm up with some cardio first, Either jump rope or a 1-3 mile run. Four sets of each exercise. If your a beginner start with reps of 10 and work your way up to 4 sets of 25 of everything. Should take about 30 minutes till done. It’s like almost like running 3 miles on your abs instead of with your legs. Depending on your diet and exercise habits you see a stronger looking core in 2-3 three weeks, even a smaller looking waist. Enjoy,  it’s really good routine.

View this post on Instagram

A post shared by Juan Sito Roman (@boxing_coach_juan)