A patient presents with weakness isolated to the intrinsic muscles of the hand, specifically the adductor pollicis and the muscles of the hypothenar eminence. The therapist notes that all forearm muscles, the wrist flexors and wrist extensors, have full strength. Which of the following is the MOST likely site of nerve entrapment?

Option 1- Carpal tunnel

Option 2- Radial tunnel

Option 3- Cubital tunnel

Option 4- Tunnel of Guyon

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