Final answer:
The MOST LIKELY diagnosis for this condition based on the given symptoms is Morton's neuroma. Morton's neuroma is a condition where a nerve in the foot becomes thickened and painful.
Step-by-step explanation:
The MOST LIKELY diagnosis for this condition based on the given symptoms is Morton's neuroma. Morton's neuroma is a condition where a nerve in the foot becomes thickened and painful.
The symptoms described, such as pain on the sole of the foot, aggravation with weight-bearing and hyperextending the great toe, and tenderness in the web spaces of the toes, are consistent with Morton's neuroma.
The absence of any significant weakness or increase in symptoms during testing, along with normal range of motion, also supports this diagnosis.