Dreams featuring unusual physical traits, like double-jointed arms, can be quite intriguing. Such imagery often symbolizes flexibility or adaptability in a situation you're currently facing. The child in your dream may represent a part of yourself that is innocent or vulnerable, suggesting that you might need to approach a situation with a more open and flexible mindset.

Additionally, children in dreams often represent new beginnings or aspects of creativity. The double-jointed arms may suggest that you have the ability to adapt and bend in ways that are not typical, allowing you to navigate challenges with ease.

Consider reflecting on areas in your life where you might need to be more adaptable or where you could embrace a child-like perspective to find solutions. It may also be worthwhile to think about any recent situations that required you to be flexible or open-minded.