Which of the following assessment findings would suggest a possible upper motor neuron (UMN) lesion?

A clinician is conducting an assessment of a male patient suspected of having a disorder of motor function. Which of the following assessment findings would suggest a possible upper motor neuron (UMN) lesion? (Points : 0.4)
The patient has decreased deep tendon reflexes.
The patient displays increased muscle tone.
The patient’s muscles appear atrophied.
The patient displays weakness in the distal portions of his limbs.

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