The 1-2 is the jab (1) followed straight away by the cross (2), the rear-hand straight. USA Boxing teaches the jab to set up the straight right, and AIBA has boxers learn two single punches first, then link them standing, then with movement. The skill is in the link: the jab finds range, the cross starts as the jab comes home, and both hands end back at guard. The app segments the two punches and reads your mechanics, the shift between them and your return to guard, not punch force or an opponent.
Find range with the jab (1)
Start in your stance with the guard up: lead hand up, rear glove on the cheekbone, rear elbow on the ribs, chin down. Don't dip your knees or pull a fist back before the jab. In a lab study, single all-out punches started with a knee dip and the fist moving out of guard, and the authors note these are early cues an opponent can read.
still and set, nothing loads before the first punch.
Step in with a light jab to find your range. Push off the back leg and reach with the front toe, no heel strike. Step a few inches or not at all, depending on distance. Lead arm straight, palm down, land with the knuckles, rear hand stays on your face.
the jab measuring the distance, not trying to knock anyone out.
Cross as the jab comes home (2)
Start the cross by pulling the lead elbow hard back to your body while you shift about 60% of your weight onto the front leg. That is USA Boxing's initial movement for the straight right, so the jab hand is on its way home as the cross begins. Don't leave the jab hanging out while the cross goes.
one hand coming back as the other starts forward.
Pivot on the ball of the rear foot until the toes point at the target, and turn the hips and shoulders. The lead foot stays flat as the anchor and the lead knee stays slightly bent. AIBA tells coaches to watch the pivot of the hips and shoulders between the punches.
the turn starting at the floor and the arm riding on it.
Extend the rear arm straight to the chin, palm down, knuckles first, about wrist-deep. Keep the lead glove on your cheekbone and the lead elbow on your ribs. Chin down, nose behind your front toes. The cross is the punch that carries the power; Boxing Canada advises that only the last punch or two of a combination go at full intensity.
a light 1 and a heavy 2, without falling past the front foot.
Recover to guard
Bring the rear hand back along the same path, as fast as it went out, and return to your stance with both hands at guard. If the target moves away, let your feet follow so you stay in range. You should finish balanced enough to throw again or move.
both gloves home, feet under you, ready for the next one.
Feel it
Boxing Canada calls rhythm and balance the keys to combination punching. The 1-2 should feel like one movement in two beats: a light jab out, the jab hand pulling back as the rear foot turns, the cross going out on the turn, both hands home. In one lab study of competition boxers, punches thrown in an alternating left-right combination reached the target faster than single all-out punches, with a little less fist speed, and alternating hands flowed faster than repeating the same hand. So don't wind up each punch; let the switch between hands do the work. Don't heave the shoulder on the cross either: in another study, junior boxers relied more on the shoulder and trunk than elite boxers and hit with less force. The app reads your punch order, pivot, shift and return to guard, not force or an opponent.
Fix-its
- You telegraph the jab (dip, lean or pull the fist back first) Throw the jab straight from your guard with no knee dip or hand pull-back. Practise slowly in a mirror until the first thing that moves is the lead fist going forward.
- Both arms are out at the same time Make the lead elbow pulling back to your ribs the first move of the cross. Slow it down until the jab is on its way home every time the cross starts.
- The cross is all arm (flat rear foot, no turn) Stay on the ball of the rear foot, then pivot it until the toes point at the target and turn the hips and shoulders before the arm finishes. AIBA lists punching without rotating the body as a common mistake.
- You lunge or lean into the cross Get range with the step on the jab instead of reaching with the cross. Keep the front knee slightly bent and your nose behind your front toes; AIBA lists a head leaned forward as a common mistake.
- Hands drop or the chin lifts at the end Retract the cross along the same path as fast as it went out, lead glove still on the cheekbone, chin down. Stop the set when the return gets slow.
Drill
- Slow shadow 1-2s in a mirror, standing still. Reset your stance after each rep and check: no wind-up, lead elbow back as the cross starts, rear toes to the target, both hands home.
- Add movement in AIBA's order: 1-2 with a step forward, then with a step back, then with side steps. Stay at low speed until the pattern is clean.
- Heavy bag in controlled conditions: light jab, hard cross, back to guard. USA Boxing's bag test includes one minute of 1-2s; keep the form and stop when the return to guard gets slow.
- Pads, or a partner holding up the palms of the gloves in the centre of the body, so the target is realistic.
- Partner 1-2 drill with gloves and headguard: take turns throwing controlled 1-2s while the other blocks. The aim is form, not contact. Film from the front or a 45-degree angle at 60 fps or more to check that the jab is coming back as the cross goes out.
Safety: wrap your hands and wear gloves for bag, pad and partner work. Stop and get it checked if you feel pain in your hand, wrist, elbow or shoulder, or if you are tensing up to force power.
How it's used
Head and body: AIBA's two-punch combination examples include the lead straight to the head then the rear straight to the head, and the lead straight to the body then the rear straight to the head. Building on it: USA Boxing numbers the punches so 1-2-3 means jab, straight right, lead hook; the straight right sets up the hook. As a counter: Boxing Canada notes that most combinations are thrown as a counter to the opponent's lead, so once the pattern is clean, coaches have the boxer slip in and deliver it after a coach's jab.
Sources
- AIBA Coaches Commission — AIBA Coaches Manual, 2.5.3 Basic Boxing Punches and 2.5.5 Combinations of Punches (2010)
- USA Boxing Grassroots Task Force — Training Manual v.01: Left Jab (1), Straight Right (2), partner drills, heavy bag test (2014)
- Boxing Canada / Coaching Association of Canada — NCCP Club Coach Reference Material, 3.9 Combination punching (2016)
- Piorkowski, Lees & Barton — Single maximal versus combination punch kinematics, Sports Biomechanics (2011), author post-print
- Dinu & Louis — Biomechanical Analysis of the Cross, Hook, and Uppercut in Junior vs. Elite Boxers, Frontiers in Sports and Active Living (2020)
Last checked 2026-10-26.