A syringe assembly comprising: a syringe barrel having a first end, a second end, and a sidewall extending between the first end and the second end, the sidewall defining a chamber; a stopper disposed within the chamber of the syringe barrel; a plunger adapter engaged with the stopper, the plunger adapter defining a recessed portion therein; first and second plunger arms (52, 54) each having a first end (72, 72A) pivotally secured to the plunger adapter and a second end (74, 74A), wherein each of the first and second plunger arms (52, 54) include a head portion (84, 84A) extending from each second end (74, 74A) of the first and second plunger arms (52, 54); the first and second plunger arms each having a pre-use position wherein the first and second plunger arms are spaced from each other, and a use position, wherein the recessed portion comprising multiple engagement surfaces, wherein, in the use position, the first and second plunger arms are positioned adjacent to each other and secured to each other to form a plunger rod for displacing the stopper relative to the syringe barrel, the recessed portion of the plunger adapter receiving a portion of a first end of a plunger rod when the first and second plungers arms are in the pre-use position and the use position, and wherein the first and second plunger arms are substantially parallel to a longitudinal axis of the syringe barrel when the first and second plunger arms are in the pre-use position and the first plunger arm is positioned on an opposite side of the syringe barrel relative to the second plunger arm when the first and second plunger arms are in the pre-use position. a syringe barrel having a first end, a second end, and a sidewall extending between the first end and the second end, the sidewall defining a chamber; a stopper disposed within the chamber of the syringe barrel; a plunger adapter engaged with the stopper, the plunger adapter defining a recessed portion therein; first and second plunger arms (52, 54) each having a first end (72, 72A) pivotally secured to the plunger adapter and a second end (74, 74A), wherein each of the first and second plunger arms (52, 54) include a head portion (84, 84A) extending from each second end (74, 74A) of the first and second plunger arms (52, 54); the first and second plunger arms each having a pre-use position wherein the first and second plunger arms are spaced from each other, and a use position, wherein the recessed portion comprising multiple engagement surfaces, wherein, in the use position, the first and second plunger arms are positioned adjacent to each other and secured to each other to form a plunger rod for displacing the stopper relative to the syringe barrel, the recessed portion of the plunger adapter receiving a portion of a first end of a plunger rod when the first and second plungers arms are in the pre-use position and the use position, and wherein the first and second plunger arms are substantially parallel to a longitudinal axis of the syringe barrel when the first and second plunger arms are in the pre-use position and the first plunger arm is positioned on an opposite side of the syringe barrel relative to the second plunger arm when the first and second plunger arms are in the pre-use position.