Inclusion Criteria:  Age ≥ 18 years American Associations of Anaesthesiologist (ASA) class 1-2 Have received written and oral information and signed the consent form Weight > 56,5 kilograms (Chosen due to maximum single dose of ropivacaine i.e. 225 milligrams)  Exclusion Criteria:  Inability to speak and understand Danish Inability to cooperate Allergy to study drugs Daily intake of opioids Alcohol and/or drug overuse Fertile female participants: No use of safe contraceptives for the last month, positive urine-HCG or breastfeeding Previous trauma of surgery in the abdomen, hip or knee. Any systemic muscular or neuromuscular disease