This article critically examines the muscle amnesia theory, which proposes that insufficient muscle use can reduce neural activation, leading to diminished strength and impaired function. Often associated with the glutes and terms such as ‘gluteal amnesia’ or ‘dead butt syndrome’, the theory commonly attributes dysfunction to prolonged sitting, muscle tightness and altered movement patterns. The author reviews the available literature to assess whether these claims are supported by evidence.

The review finds limited support for the suggestion that reduced use causes persistent neural inhibition in healthy individuals. Evidence indicates that neural function can be maintained with relatively small amounts of intermittent loading, while muscles and sarcomeres adapt to habitual positions and ranges of movement. The author therefore argues that the problems attributed to muscle amnesia are unlikely to result primarily from diminished neural activation.

Instead, the article proposes a mechanical explanation involving connective tissue, biotensegrity and the interaction between mechanics and neuromuscular function. Variations in connective tissue stiffness can influence force transfer, movement and adaptation, potentially creating the apparent dysfunction associated with muscle amnesia. This integrated relationship is described as the ‘mechanoneuromuscular system’. 

Practical recommendations focus on manipulating load to address mechanical imbalances. The author suggests combining targeted mobility work with compound and isolation resistance exercises to alter tissue properties and improve the balance of tension. The article concludes that the observed dysfunction may be better understood as a consequence of variable connective tissue mechanics rather than a muscle simply being neurologically ‘switched off’.