The core secret fitness pros won't tell you. IT'S NOT CRUNCHES

24 Jul 2026 · 7 min
7:26

In this solo instructional video, JJ Virgin argues that traditional abdominal crunches are a poor use of training time because they work only a limited range of motion and plane, and they do not mimic how the core is used in daily life. She explains the anatomy of the core—rectus abdominis, obliques, transverse abdominis, erector spinae—and stresses the need to train the core in multiple planes (flexion, rotation, lateral flexion) and functional positions. Virgin then demonstrates a series of compound, functional movements that simultaneously develop core stability while training other major muscle groups: planks, push‑ups, shoulder taps, mountain climbers, bent‑over rows, goblet squats, Romanian single‑leg deadlifts, wood chops, and farmer’s carries. She links each exercise to specific core engagement (deep transverse abdominis, spinal erectors) and to broader benefits such as injury prevention, fall protection, back health, and overall functional strength, especially for aging powerfully. The video ends with a call‑to‑action to replace crunches with these functional core exercises, watch the next video, and subscribe.

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