The Transverse Ligament of the Palmar Aponeurosis (TLPA) is a thin band of transverse fibers of the distal portion of the

palmar aponeurosis The palmar aponeurosis (palmar fascia) invests the muscles of the palm, and consists of central, lateral, and medial portions. Structure The central portion occupies the middle of the palm, is triangular in shape, and of great strength Its apex i ...

. It runs deep and transverse to the longitudinally oriented pretendinous bands of the palmar fascial complex, and serves as an attachment point for the septa of Legueu and Juvara. The TLPA is also known as the "Ligament of Skoog". It should not be confused with the Natatory Ligament (also known as the "Superficial Transverse Metacarpal Ligament"), which runs parallel and distal to the TLPA, forming the webbing in between the bases of the fingers.

References

Ligaments of the upper limb {{ligament-stub