squatting for a long time leg soreness is a relatively normal physiological phenomenon, because after a long squat calf muscles, especially the calf gastrocnemius and flounder muscle, will be more obvious body gravity pressure, local will produce more lactic acid and other metabolites, these metabolites in the calf muscle accumulation will produce more obvious symptoms of soreness, the way to relieve is to local appropriate massage, hot compress or Physical therapy to relieve the symptoms. If the soreness is particularly obvious, you can also take oral non-steroidal anti-inflammatory and analgesic drugs to relieve the local symptoms, and you can use topical fotarolimus ointment to relieve the local muscle soreness and pain.