Frontalis

Looks like

A thin, flat sheet of muscle over the forehead, running up into the scalp.

What it does

Raises the eyebrows and wrinkles the forehead.

Keeping it well

Weak on one side in facial palsy; Botox for lines works here and can make the brows droop if misplaced.

Related conditions

• Bell's palsy
• Botulism
• Fibromyalgia
• Frailty & falls in older age
• Heat exhaustion & heatstroke
• Malnutrition & refeeding syndrome
• Muscular dystrophy
• Polymyalgia rheumatica
• Rhabdomyolysis
• Sarcoma
• Sarcopenia
• Tension-type headache
• Tetanus