Superficial Plamar arch is related to the:
Superficial palmar arch is a direct continuation of the ulnar aery. The curve of the arch lies across the palm, in level with the distal border of the fully extended thumb. The arch is completed by anastomosing with the superficial palmar branch of the radial aery.Ref: Snell's clinical anatomy, 7th Edition, Page 545.
Distal end of fully extended thumb
Distal end of fully flexed thumb
Proximal end of the fully flexed thumb
Proximal end of fully extended thumb