In Étude de jeune homme assis, la jambe droite et la main levées, we see a young man seated with his right leg raised and his hand lifted. The colors are soft and delicate, typical of the Rococo style, with a palette of pastels. The figure is portrayed in a relaxed pose, suggesting a sense of ease and grace.

The background is likely minimal, focusing the viewer's attention on the subject. The painting showcases Watteau's skill in capturing the subtleties of human expression and posture. The brushwork is fluid, with gentle strokes that create a sense of movement. The use of light and shadow enhances the three-dimensionality of the figure, making it appear lifelike.

The dimensions of the work are approximately 40 x 50 cm, fitting for a study or sketch. Jean-Antoine Watteau was a leading figure in the Rococo movement, known for his depictions of elegant figures in idyllic settings. This particular work is a study, likely created as a preparatory piece for a larger composition. Watteau's ability to convey emotion through posture and expression is evident here.

An interesting fact about this work is that it reflects the artist's interest in the theatricality of human interaction, a recurring theme in his oeuvre.