Midpalmar space ends distally in
Midpalmar space * Anterior -- Palmar aponeurosis, superficial palmar arch, flexor tendons of medial 3 digits covered in ulnar bursa and medial 3 lumbricals * Posterior - Fascia covering 3 & 4 interossei and metacarpal bones * Medial -- Medial Palmar septum * Lateral - Midpalmar septum * Proximal -- distal margin of flexor retinaculum * Distal - medial 2 web spaces thru lumbrical canals Ref: Maheshwari and Mhaskar 9th ed pg 208.
Along the digital sheaths
Into the flexor tendon sheaths
Into the web space
Distal palmar crease
Forearm wrist and hand injuries