5 Bad Boxing Habits (And How to Fix Them With a Tennis Ball)
Every boxer develops bad habits. It doesn't matter whether you've been training for three weeks or three years — certain technical mistakes are almost universal, and most people don't even know they're doing them.
In this post I'm going to cover the five most common bad habits I see at Sweat Science Studio, why each one matters, and the drills to fix them. One of the most effective tools for correcting three of these habits costs less than a dollar: a tennis ball.
Why Bad Habits Are Hard to Break in Boxing
The problem with bad habits in boxing is that they're usually invisible to the person doing them. You're focused on the combination, on the timing, on not getting tired — and meanwhile your guard is dropping on every cross, your elbow is flaring on your hook, and your chin is up in the air.
You can't feel these things happening in real time. That's why having a coach watching your form is irreplaceable — and why specific drills that force correct mechanics are so valuable for training on your own.
Bad Habit 1: Dropping Your Guard
The most common mistake at every level. After throwing a punch, the hand drops instead of returning to guard position. It feels natural — your arm is tired, the punch is done, why hold it up?
Because a dropped guard is an open invitation. In a class setting this doesn't get you hit, but it ingrains a pattern that undermines your entire defensive structure.
The tennis ball fix: Hold a tennis ball under each armpit while shadowboxing. If your elbow flares or your arm drops away from your body, the ball falls. The physical feedback is immediate and impossible to ignore. Do three rounds of shadowboxing with the tennis balls before every session for two weeks and the habit breaks.
Bad Habit 2: Not Keeping Your Chin Down
Your chin should be tucked towards your chest, with your eyes looking up and forward. Most beginners train with their chin up and face open — which feels more natural but leaves the jaw completely exposed.
The fix: Put a second tennis ball between your chin and chest while shadowboxing. Keep it there for the entire round. Your neck muscles will be sore the first few times. That soreness is you building the correct habit.
Bad Habit 3: Elbows Flaring on the Hook
A hook thrown with a flared elbow loses most of its power and risks injuring your shoulder. The elbow should be parallel to the floor at the point of impact, with the power coming from hip rotation — not a wide, looping arm swing.
The fix: The armpit tennis ball drill (from Habit 1) catches this too. If your elbow is flaring on the hook, the ball drops. Two drills, one tool.
Bad Habit 4: Lunging Forward When You Punch
Stepping into a punch with your weight pitching forward feels powerful. It isn't. It leaves you off balance, makes you slow to recover, and telegraphs your attack. Power in boxing comes from rotation and weight transfer, not from lunging.
The fix: Shadowbox in front of a wall, close enough that lunging forward would bring your face into contact with it. You'll self-correct instantly. Do this for five minutes at the start of every session until the movement pattern is gone.
Bad Habit 5: Holding Your Breath
Under intensity, most beginners hold their breath — especially on combinations. This accelerates fatigue dramatically and tightens your shoulders, which kills your punch speed.
The fix: Exhale sharply on every punch. Make it audible. This forces a breathing rhythm that keeps you oxygenated and naturally relaxes your shoulders between shots. It feels strange at first. After two weeks it becomes automatic.
A Note on Fixing Habits
Bad habits don't disappear from awareness alone. You need to drill the correct pattern so many times that it becomes the default — which means slowing down, focusing on mechanics, and doing the unglamorous repetition work before every session.
The tennis ball drills above are boring. That's exactly why they work. Five minutes of focused mechanics work before class will do more for your boxing development than an extra round on the bag.
If you want Coach Hafiz to watch your form directly and identify what's holding your technique back, ask about personal training sessions at Sweat Science Studio. One session of focused correction can fix in an hour what takes months to diagnose on your own.
👊 Train with Coach Hafiz at Sweat Science Studio, Clarke Quay

