Stretching and Pain Sensitivity

Inclusion Criteria: * Aged between 18 and 40 * In general good health, in the opinion of the Investigator, based on medical and physical history. * Speaks, reads and writes Danish language. Exclusion Criteria: * Regular use of stretching * History of surgery to the lower limb(s) * History of traumatic and overuse injures to the lower limb(s), including but not limited to: Tendinopathies, Bursitis, Muscle injuries, Significant ankle sprains, other ligament injuries * Hyper mobility syndromes, including but not limited to Ehlers-Danlos syndrome, Generalised hyper mobility syndrome * History of symptoms of autoimmune disorders (e.g., inflammatory bowel disease, multiple sclerosis, lupus, rheumatoid arthritis). * Planned surgical procedure during the duration of the study * History, diagnosis, or signs and symptoms of clinically significant neurological disease, including but not limited to: Stroke or transient ischemic attack, Alzheimer's disease or other types of dementia, Clinically significant head trauma within the past year, Peripheral neuropathy, Epilepsy or seizure, Impaired balance * Alcohol or drug abuse within the last 5 years * History, diagnosis, signs or symptoms of any clinically significant psychiatric disorder * Diabetes * Subjects with regional pain syndromes suggestive of lumbar compressions with radiculopathy or at risk of developing radiculopathy. * Any other condition, which in the opinion of the Investigator, would put the subject at increased safety risk or otherwise make the subject unsuitable for this study.