Fitness fan Jennifer Lopez 's is famous for her curves , but her arms are also toned . The mother-of-two has completed triathlons . She avoids sugar and salt . Try modified push-ups which activate the entire upper body .
Fitness fan Jennifer is famous for her curves , but her arms are also toned . The mother-of-two has completed triathlons . She avoids sugar and salt . Try modified push-ups which activate the entire upper body .