After lifting i have pain in the in side of my elbow what could be a reason dor this ?

May be tendonitis: A person who gets a numbness, soreness, or tenderness (to pressing on it) where the muscles attach near the elbow may have tendonitis . . . But he will usually know what caused it. The cause is overuse of the arm during the past day or two. Icing the sore spot and taking some Motrin can help. He can wrap the sore area with an over-the-counter elastic band, which will spread the muscle's force out.

Perhaps tennis elbow: Often pain on the inside of the elbow relates to "medial tennis elbow" often termed golfer's elbow or racket ball elbow. This is a degenerative tendon problem, occurring usually after age 35-40. If is made worse with gripping or lifting with the elbow in extension (straight). Therapy and stretches can help. Most resolve with time and protection. Steroid injections have been shown ineffective.