1.LegPress: This equipment can exercise the muscles in the front and back of the thigh at the same time. Sit on the leg pusher and gradually increase the training intensity by adjusting the resistance.

2. Squat rack: Squat rack is one of the most effective exercises to exercise thigh muscles. The use of squat frame can provide stable support, so that you can better control your movements and maintain the correct posture.

3. Leg bending: This device can help to exercise the quadriceps femoris on the inner thigh and the biceps femoris on the outer thigh. By adjusting the angle and weight of the handle, the difficulty of training can be gradually increased.

4. Leg stretching: Leg stretching can exercise quadriceps femoris on the front side of thigh. By adjusting the resistance and angle, the intensity of training can be gradually increased.

5. Hip adduction and hip abduction: These instruments can help to exercise the muscles of the inner and outer thighs. By adjusting the resistance and angle, the training difficulty can be gradually increased.

6. Leg recoil: This device can help to exercise the muscles at the back of the thigh. By adjusting the resistance and angle, the intensity of training can be gradually increased.

Please note that before using any fitness equipment, please make sure that you have mastered the correct methods and skills, and choose the appropriate training intensity and frequency according to your physical condition and health condition. If you have any health problems or questions, please consult a doctor or professional fitness coach for advice.