Nutrient, perforating and muscular branches of the deep volar arch have been exposed by removing parts of the dorsal interosseous muscles. Other branches of the arch have been shown in previous views.
Deep palmar arch
Anterior metacarpal artery (cutoff)
Muscular branch of deep palmar arch (to dorsal interosseous muscle II)
Left pointer: Princeps pollicis artery Right pointer: Digital branch of radial artery
Muscular branch of deep palmar arch (to dorsal interosseus muscle I)
Perforating branch
Articular branch of deep palmar arch
Metacarpotrapezial joint capsule
Tubercle of trapezium bone
Radial artery
Flexor carpi radialis muscle (tendon of insertion)
Anterior carpal branch radial artery
Radius
Anterior interosseous artery
Left pointer: Distal radioulnar joint capsule Right pointer: Ulna
Anterior radiocarpal ligament
Flexor carpi ulnaris muscle (insertion)
Right pointer: Pisohamate ligament Left pointer: Pisometacarpal ligament
Articular branches of ulnar artery
Recurrent carpal branch of deep palmar arch
Perforating branches
Deep anterior branch ulnar artery (cut off)
Nutrient branches of deep palmar arch to metacarpals