A therapist attempts to assess the dorsalis pedis pulse. The most appropriate location to palpate is:

The dorsalis pedis pulse is typically palpated on the dorsal surface of the foot, specifically located between the first and second metatarsals. This area is where the dorsalis pedis artery, which is a continuation of the anterior tibial artery, can be most easily accessed and felt. Palpating in this location allows the therapist to assess the arterial blood flow to the dorsum of the foot effectively.

This choice is consistent with standard anatomical knowledge regarding the major vessels of the lower limb and their palpation sites. Understanding the anatomy of the foot and the positioning of arteries is crucial for healthcare providers, especially when assessing peripheral circulation. Thus, identifying the correct palpation site is essential for accurate clinical assessment and diagnosis.