| Nondisplaced fractures of the base of the metacarpals are treated with immobilization in a short arm cast. |
| The distal row of carpals includes the hamate, capitate, trapezium, and trapezoid, which are closely approximated to the metacarpals. |
| Oblique or even transverse fractures of the shaft or base of the metacarpals can occur in one or more metacarpals. |
| Breviparopus taghaloutensis may have had metacarpals I and V more tightly connected to the central metacarpals. |
| The tendons are inserted either into the corresponding extensor tendons or onto the metacarpals. |
| The third and fourth metacarpals and metatarsals are fused to form an elongated cannon bone. |
