A.T. Robertson Commentary Acts 3:8

"And leaping up, he stood, and began to walk; and he entered with them into the temple, walking, and leaping, and praising God." — Acts 3:8 (ASV)

Leaping up (εξαλλομενος). Present middle participle, leaping out repeatedly after Peter pulled him up. Only here in the N.T.

He stood (εστη). Second aorist active.

Walked (περιεπατε). Went on walking, imperfect active. He came into the temple repeating these new exercises (walking, leaping, praising God).