Mud Seuy / หมัดเสย
The uppercut, known as Mud Seuy in Thai, is a vertical punching technique that travels upward from below the opponent's line of sight to strike the chin, jaw, or solar plexus. The Thai term Mud Seuy translates roughly to "scooping punch" or "rising punch," accurately describing the upward trajectory of the strike. The uppercut is classified as intermediate because it demands precise range management, proper weight transfer through a dipping motion, and an understanding of when the technique is tactically appropriate. When it lands flush on the chin, the uppercut is one of the most devastating punches in any striking art because it drives the jaw upward and backward, causing the brain to rotate inside the skull.
The mechanics of the uppercut begin with a slight dip of the knees and a lowering of the punching hand. From the fighting stance, bend the knees to drop your center of gravity a few inches, simultaneously lowering the punching fist to roughly hip or waist level. The palm should face inward toward your own body. Drive upward by extending the legs and rotating the hip on the punching side forward and upward. The fist travels in a tight vertical arc, rising straight up through the target. At the point of impact, the elbow should be bent at roughly ninety degrees, and the force should be directed upward through the knuckles. The non-punching hand must remain high to protect the face, and the chin stays tucked throughout the motion.
In the Muay Thai context, the uppercut serves a more specialized role than it does in Western boxing. Boxing features extensive infighting where uppercuts are thrown frequently at close range during inside exchanges. In Muay Thai, the close range that the uppercut requires overlaps with clinch range, where knees and elbows become the dominant weapons. As a result, Thai fighters tend to use the uppercut selectively, often in transitional moments when the distance is closing but the clinch has not yet been fully engaged. The uppercut is particularly effective when an opponent is bending forward at the waist, whether from absorbing body shots, attempting to enter the clinch, or dipping their head to avoid high strikes.
One of the most effective uses of the uppercut in Muay Thai is as a counter to opponents who lean forward aggressively. When a fighter charges in with their head low, attempting to close distance for the clinch or to land body punches, a well-timed uppercut can catch them coming in and use their own forward momentum to amplify the impact. This counter-uppercut is a high-level technique that requires excellent timing and the confidence to hold your ground against an advancing opponent.
The body uppercut, targeting the solar plexus or the floating ribs, is another valuable application. A sharp uppercut to the solar plexus can knock the wind out of an opponent and force them to hunch over, setting up head strikes or knee attacks. The body uppercut is particularly effective when thrown to the inside after parrying or slipping a straight punch, as the opponent's guard is momentarily disrupted.
Setups for the uppercut often involve using straight punches to occupy the center of the opponent's guard, then changing the angle of attack by going underneath. A jab-cross combination that draws the opponent's guard high and tight creates an opening for an uppercut to slide between or underneath the gloves. Another effective setup is to throw a body hook that causes the opponent to drop their elbow to protect the side, then follow with an uppercut through the gap created on the centerline.
Defensively, the uppercut carries significant risk because the dipping motion required to load the punch lowers your head and can leave you vulnerable to knees, particularly in Muay Thai where knee strikes to the head of a bent-over opponent are legal. Fighters must be judicious about when they commit to the uppercut and should avoid using it when an opponent is likely to counter with a knee or a downward elbow.