Omumsie-Sore Muscle Rub For Pregnant & Post-partum MomsProduct Description This muscle rub comes with the power of heat and freeze therapy. Packed with natural botanicals, this muscle rub will de stress your body while elevating your soreness. Massage the affected area for maximum effect. Sore Muscle Rub : Mama bunny we know how difficult pregnancy is, and it takes a toll when your muscles and body start to ache. Thats why we at Omumsie have created a rub made entirely out of precious oils and botanicals.