Hidden pain in the right thigh this situation has more reasons, as follows: 1, adductor muscle injury: if the inner thigh root pain, to consider the adductor muscle injury, such as frequent lower limb stretching of the population, do the lower limb splits or press the leg action, it is very easy to cause adductor muscle strain, there will be a hidden pain in the inner thigh root. 2, sciatic nerve pain: if the back of thigh pain, generally considered to be sciatic nerve pain, mostly due to lumbar disc herniation compression to the nerve root, or pyriformis syndrome compression to the sciatic nerve, can cause pain in the back of the thigh. If you have pain in the back of the thigh, it is generally considered to be sciatic nerve pain, mostly due to lumbar disc herniation compressing the nerve root, or pyriformis syndrome compressing the sciatic nerve, which can cause pain in the back of the thigh. 3, quadriceps strain: if the pain occurs in the front of the thigh, it is considered to be a strain of the quadriceps muscle, especially in the people doing strenuous physical exercise or excessive physical activity, there will be lactic acid accumulation in the quadriceps muscle, manifesting as thigh pain, which can be seen in the front of the leg. muscle, manifesting as soreness and pain in the front of the thigh.