Hot pack application was applied to the participants in the hot group to warm the extremities locally after the pre-tests were completed. For the application of hotpack, which is a superficial and moist temperature agent, a Chattanooga ® brand hotpack pad (DJO Global, Chattanooga; CA, USA) with 10 slices and a size of 28 cm x 39 cm was used. The hotpack pad was taken with the help of tongs from the Chattanooga ® brand hot pack boiler (DJO Global, Chattanooga; CA, USA) at 80° temperature and wrapped in a total of 5 layers with the help of 2 towels. A hotpackpad was placed on each knee of the participant. Hotpack pads were applied for 15 minutes in total.

For participants in the cold group, MSD ® brand cold pack gel (MVS Inmotion, MSD cold pack; Weftdijk 1502830, Belgium), 15 cm x 25 cm in size, was used to cool the extremities locally. The cold pack gel, kept in the freezer, was wrapped in a paper towel and placed on the knee area. Cold pack was applied to both knees for a total of 15 minutes.

Static stretching technique was applied to the quadriceps and hamstring muscle groups in both the dominant and non-dominant extremities of the participants in the stretching group. All stretches were performed twice for 20 seconds with a 3-second rest.

No intervention was applied to the control group.

Static stretching technique was applied to the quadriceps and hamstring muscle groups in both the dominant and non-dominant extremities of the participants in the stretching group. All stretches were performed twice for 20 seconds with a 3-second rest.

Two types of vertical jump distances, squat jump and countermovement jump, were evaluated using a Fusion Sport ® brand jump meter (Fusion Sport, SmartJump; Colorado, USA) with a sensitivity of 1 nanometer, which is one thousandth of an antimeter. Both tests were repeated a total of 3 times and the best results were recorded.

For the active joint position sense test, which measures the individual's ability to find the taught target angle, a BASELINE ® brand digital goniometer (BASELINE ® Evaluation Instruments, Digital Absolute + Axis goniometer; NY, USA) with a sensitivity of 0.1° was used.