New York Post Composite Just another buzzy fitness trend? That was my initial take, too — until I looked into the effects of whole-body vibration (WBV), and especially its potential for moms. These platforms trigger rapid muscle contractions, which are said to boost strength and bone density and promote circulation and lymphatic drainage. While WBV technology has been around for decades, sleek new vibration plates have made a comeback on social media, with plenty of users showing off their progress from their living room. One popular model , which is on sale for $85 on Amazon ahead of Mother’s Day, has racked up rave reviews — not just for its compact design and array of color options (it even comes in pink). Many users also agree they feel a “difference in their muscle tone,” and others claim they’re losing weight with consistent use. Another, less-discussed benefit of WBV is its potential to support postpartum women.…