In Man, Standing, His Arm Pointing Horizontally, we see a figure of a man standing confidently. He is dressed in rich, dark clothing that contrasts with the lighter background. His arm is extended horizontally, suggesting a sense of direction or purpose.

The colors are deep and muted, typical of the Baroque style, enhancing the dramatic effect of the composition. The painting showcases Rosa's skill in capturing the human form and expression. The use of chiaroscuro creates a striking contrast between light and shadow, emphasizing the figure's features. The brushwork is fluid, allowing for a sense of movement within the stillness of the portrait.

The dimensions are approximately 100 x 150 cm, making it a substantial work that commands attention. Salvator Rosa was known for his dramatic and often theatrical style, which is evident in this piece. He often depicted figures in a way that conveyed emotion and narrative. This work reflects his interest in the human condition and the complexities of character.

An interesting fact is that Rosa was also a poet and a musician, showcasing his diverse talents beyond painting.