Pronator quadratus

Looks like

A small square muscle deep at the front of the lower forearm, between the radius and ulna.

What it does

The main muscle that turns the palm down; holds the two forearm bones together.

Keeping it well

Lies over a wrist fracture site and is commonly moved aside in fracture surgery.

Related conditions

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