at the end of event while exiting building, female thinks, her foot got caught with the front floor mat-rug. She fell on her right knee and right arm & ended in her back. She also hit her left forehead area against the front side panel of glass door entrance. She complained of pain & soreness on her right knee and mainly on her right forearm & above her wrist area. She was able to move fingers, hand but difficult with rotating her arm & very sore to touch skin of forearm and above her inner wrist. All skin intact, no open wounds in any areas described. Mild swelling & redness in Rt. inner forearm. Mild redness in her left forehead. No dizziness, no blurred vision, no headache or other complaints. She was conscious during entire incident and well oriented.