The intervention consists of a structured 12-week intensive wrestling training program designed specifically for male wrestlers aged 12-14 years. This program was conducted at athlete training centers equipped with international standard facilities, and led by professional coaches. The training included 5 sessions per week, each lasting approximately 80 minutes, with a total weekly duration of 400 minutes. Each session consisted of 20 minutes of gymnastic warm-up, 50 minutes of basic technical and strength exercises (e.g., squats, push-ups, deadlifts), and 10 minutes of stretching.

Measurement of body weight: A Tanita digital scale was used to measure the participants' body weight.

Height: The heights of the participants were measured in cm. Long jump from a standing position: The measurements were taken on a flat surface behind a line and the subjects were asked to jump from the point where they were standing to the furthest point with both feet.

20 m shuttle run test: The 20 m shuttle run test was carried out according to Leger and Lambert (1982).

30 m sprint: The 30 m sprint values of the subjects were determined by running on the tartan track with suitable running shoes through digital photocells attached to the start and end points.

Throwing a medicine ball: Subjects were asked to throw a 2 kg medicine ball as far as possible from a point determined.

Sit-to-lie flexibility test 30 s number of sit-ups The maximum number of sit-ups the subjects performed in 30 s with their hands behind their back and knees bent was recorded.