Personal trainer shares three hip flexor strengthening exercises runners can do to build strength and improve performance.

Begin with three sets of each exercise. To build strength, Mr. Salvador recommended four to eight repetitions per set. As you become more comfortable, you can increase to four sets. Take between 90 ...

Discover 4 shoulder press variations to sculpt powerful arms with expert tips from a trainer. Build strength and aesthetics!

Finally, far from focusing on a flat stomach, your deep core muscles work your pelvic floor and diaphragm. Your pelvic floor muscles are a group of muscles at the base of your pelvis, and ...