Lumbar spinal stenosis (LSS) is generally seen with advanced age, but it manifests itself with an increase in both physical and psychological health problems. Frailty is an important parameter that has become increasingly important in recent years and affects both the physical and psychological health of individuals. It has been examined in various disease groups in the literature and is reported to increase in patients with low back pain. However, the level of frailty and related factors in LSS are unknown. Since physical and psychological health are important in maintaining daily life, it is important to examine frailty in these individuals who present with chronic pain symptoms.

Lumbar spinal stenosis (LSS) is a degenerative disease that occurs due to compression of neurological structures as a result of narrowing of the spinal canal, and is particularly common in elderly individuals. LSS is characterized by pain, neurogenic claudication, decreased walking capacity, and functional disability. This condition can limit patients' daily living activities, leading to decreased physical activity levels, balance disorders, and increased fear of falling. At the same time, disability and decreased quality of life due to the disease can negatively affect individuals' physical and psychosocial health status, leading to increased frailty levels. Frailty is an important geriatric concept that requires multidisciplinary approaches and is associated with increased dependency and risk of falling in elderly individuals. Demonstrating the relationship between frailty and parameters such as pain, disability, quality of life, physical activity, balance, and fear of falling in individuals with LSS can contribute to the development of more effective rehabilitation strategies for the management of the disease.

Inclusion Criteria:

• Patients diagnosed with lumbar spinal stenosis by MRI,
• Patients between the ages of 45-80,
• Patients who can stand independently,
• Volunteer to participate in the study

Exclusion Criteria:

• Patients who did not agree to participate in the study,
• Those with a chronic disease that would affect walking,
• Those who had undergone surgery in the lumbar region within the last year,
• Those with advanced joint disease in the lower extremity,
• Those with malignancy in the spine,
• Those with vision and/or vestibular system problems,
• Those who did not cooperate well were not included in the study.

Patients diagnosed with LSS based on magnetic resonance imaging clinical evaluation will be included in the study.