This lunge variation builds a stronger core, hips and legs using minimal equipment.

Personal trainers share their simple advice for making your workout work harder, from breathing differently to taking it ...

"Keep all of your weight in your heel, maintain a soft bend in the knee, keep the chest tall and push your butt back as you [hinge forward] at the hip," advises Ginader. "Go until you ideally feel a ...

In TODAY.com’s Expert Tip of the Day, a personal trainer and TODAY.com editor shares her top workout for strengthening the ...

Medically reviewed by Amy Kwan, PT Several bodyweight exercises can strengthen your core in addition to the plank.These ...

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A strong core is not only a total flex – literally – it’s key for building total-body strength that carries over into everyday movement. And building one requires functional core training. Functional ...

Your deep core consists of several muscles that work together to create stability and control in your trunk, says Sanchez. These muscles include the transverse abdominis, which is the deepest of your ...

Balance, a critical motor skill combining strength, agility and flexibility, is a strong indicator of longevity and how well you’re aging. Limited time: Save 25% on NBC News subscription Get exclusive ...

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