For I am poor and needy - I am helpless and dependent. I am in a condition where I need thy gracious interposition.
And my heart is wounded within me - I am as one that is prostrated by a weapon - as if my heart had been pierced. I have no courage, no strength. I am like one who lies wounded on a battlefield.

I am poor and needy - I am allicted and impoverished; and my heart is wounded - my very life is sinking through distress.

For I am poor and needy,.... As he was in human nature, being born of poor parents, brought up in a mean manner, had not where to lay his head, and was ministered to by others; though he was Lord of all, and immensely rich in the perfections of his nature, and in his vast empire and dominion, and the revenues arising from thence; see 2-Corinthians 8:9. It may here chiefly respect his helpless and forlorn estate as man, at the time of his sufferings and death; see Psalm 40:17.
And my heart is wounded within me; with the sins of his people on him, with a sense of divine wrath, and when under divine desertions, especially when his soul was exceeding sorrowful, even unto death, Matthew 26:38.