78. Place both hands Hat on the door-way (or against a wali) al your shouldcr heighi. Tense your abdomen: push as hard as you can with your hands and arms; hołd position; rclax.
79. Place your shoulder against a wali (or doorway) and brace yourself with your opposite leg. Tighten your abdomen; tighten your legs and push against your shoulder; hołd position; relax. Repeat. using other shoulder.
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