Palmarbågarna

Palmarbågarna, also known as the palm arches, are two longitudinal arches that run along the palmar (palm) side of the human hand. They are essential in maintaining the shape and structural integrity of the hand, allowing for a wide range of movements and functional grip.

These arches are formed by the carpal bones at the wrist and the metacarpal bones of the hand. The two primary arches are the longitudinal arch, which runs along the length of the hand from the wrist to the fingertips, and the transverse arch, which spans across the palm from one side to the other. The longitudinal arch is supported by the individual metacarpals and the surrounding tendons and ligaments, while the transverse arch is maintained by the carpal bones and the fibrous tissue connecting them.

The palmar arches are reinforced by various structures, including the flexor retinaculum, palmar plates, and the intrinsic muscles of the hand. They also provide the structural foundation for the hand's ability to grasp objects securely and perform delicate manipulations.

In clinical contexts, the integrity of the palmarbågarna can be affected by trauma, arthritis, or congenital deformities. Assessing the arches is important in diagnosing hand disorders and planning surgical interventions.

Overall, the palmarbågarna are crucial for the functional biomechanics of the hand, enabling dexterity, strength, and adaptability in daily activities and complex tasks.