FRESNO, Calif. (KFSN) -- Before you hit the weights or start your cardio, fitness trainer Rhonda Murphy says a proper warm-up can make all the difference.

In this week's Workout Wednesday, Murphy shares three simple moves to help loosen your joints and prepare your body for exercise.

Start with the shoulders

Roll your shoulders forward and backward to warm up the joints and improve mobility. "This really gets that shoulder warmed up," Murphy says.

Next, focus on the hips

Pull your toe up and stretch slowly to work on the hip hinge and hamstrings. "Take it nice and slow-no fast or bouncing movements," Murphy advises.

Finish with a cross-body stretch

Bring your arm across your body to stretch the shoulder and ribs. A slight twist can also loosen your lower back. "Everybody is differe

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