Silver Fir (Abies alba) has been used in traditional European herbal medicine for a variety of musculoskeletal conditions, including backache. Historical records and ethnobotanical sources indicate that preparations from Silver Fir, such as essential oils, balms, or decoctions, were applied topically or used in baths to relieve muscular pain, joint discomfort, and back pain. The rationale for its use is primarily based on the plant's aromatic resins and essential oils, which were believed to have warming and analgesic properties, promoting circulation and easing muscle stiffness.

However, the evidence for Silver Fir's effectiveness in treating backache remains limited to traditional uses and anecdotal reports. Modern scientific research on Silver Fir's pharmacological effects is sparse, and there are no robust clinical trials specifically examining its efficacy for backache. Some studies have investigated the anti-inflammatory and antimicrobial properties of Silver Fir essential oil, but these are preliminary and do not directly support its role in back pain management.

In summary, the use of Silver Fir for backache is supported by traditional knowledge rather than scientific validation. While it remains a component of some folk remedies and natural preparations for musculoskeletal complaints, the strength of evidence is weak, and its use should be considered as complementary rather than a primary treatment.