Table 1.

Categorisation of injury-inciting activities

Merged category	Activity as originally reported by the included studies
Ball handling	Ball handling/dribbling Ball handling/controlling Ball recovery Ball possession Ball protection Chasing a loose ball Dribbling/shielding Dribbling Pass cutting Passing/receiving pass Regaining balance after reaching Reaching Receiving pass/blocking shot Receiving Stretching
Blocking	Blocking Blocking a shot or pass Deflection
Changing direction	Changing direction Cutting Running, intention of turning Twisting/turning
Duel	Contact/collision Collision Player–player contact (excluding slide tackle) Contact with another player Direct trauma Duel Foul Impact Stepped on/fallen/kicked Kicked Tackling/being tackled Slide tackle Receiving a charge Kick/knee from opponents Tackled Tackling Violent conduct Use of elbow Heading Pressing Stepped on
General running	Distorting Falling Lateral movements Lunging Planting Running or other individual activities Running Running/jumping Slipping Tilting
High intensity running	Accelerating Acceleration/cutting Conditioning Decelerating Running/sprint Sprinting/high-speed running Sprinting
Jumping	Jumping/landing Jumping Landing
Kicking	Clearing Crossing Regaining balance after kicking Shooting/kicking Kicking Passing/shooting Passing Shooting
Other activities	Artificial turf Playing field conditions Turf Weather conditions
Unspecified activities	Attacking ball/opponent Ball non-possession Defending General play Set pieces Specific action Technique Throwing