11/10/2026
Davis’s Law is a principle in anatomy that relates to the adaptability and remodeling of connective tissues, particularly fascia, in response to mechanical stress. It is named after Henry Gassett Davis, an American orthopedic surgeon who proposed this concept in the 19th.
Davis’s Law can be summarized as follows: “Soft tissue models along lines of stress.” In simpler terms, the structure and alignment of fascia, tendons, ligaments, and other soft tissues adapt over time to the physical demands placed upon them.
Example
* Prolonged sitting: If someone sits for many hours daily, the hip-flexor tissues may adapt to a shortened position. Over time, this can contribute to tightness, reduced hip extension, and altered movement patterns.
* Regular progressive loading: A runner or strength-training client who gradually loads the Achilles tendon can stimulate collagen remodeling, helping the tendon become more resilient to tensile forces—provided loading is progressive and not excessive.
* Repetitive one-direction movement: Repeatedly performing only one movement pattern may make tissue stronger and stiffer along that line of stress, but potentially less adaptable in other directions.
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