Meniscus injury 2 months, calf feel heavy may be pain, synovial aseptic inflammation, limb muscle wasting atrophy and other reasons. 1. Pain: after meniscus injury, there is pain when exercising, which causes people not to dare to move, and the reduced activity will lead to the corresponding muscle atrophy, such as quadriceps or biceps femoris muscle atrophy, decreased strength, resulting in leg weakness. 2. Aseptic inflammation of synovial membrane: it is considered to be the lesion occurrence of knee meniscus injury and joint effusion. Mostly due to knee trauma, cold, poor rest and other factors, resulting in knee meniscus injury, synovial aseptic inflammation, increased exudation, the formation of effusion, which can lead to joint swelling and pain, calf sensation sinking. 3. Limb muscle wasting atrophy: meniscus injury for a long time, patients are prone to muscle wasting atrophy of the affected limbs, walking will appear soft legs, weakness symptoms. Meniscus injury 2 months, calf always feel heavy may also have other reasons, should consult the doctor in a timely manner, ask the doctor to clarify the specific reasons, if necessary, carry out the corresponding treatment.