Quadratus lumborum

Looks like

A square sheet between the last rib, the spine and the back of the pelvis.

What it does

Steadies the last rib for breathing and bends the trunk sideways.

Keeping it well

Even loads — carry weight in both hands, not one.

Related conditions

• Botulism
• Fibromyalgia
• Frailty & falls in older age
• Heat exhaustion & heatstroke
• Malnutrition & refeeding syndrome
• Muscular dystrophy
• Polymyalgia rheumatica
• Rhabdomyolysis
• Sarcoma
• Sarcopenia
• Tetanus