Ideal

• In lateral view the plumb line runs through the following landmarks:
• Lateral malleolus (slightly anterior to)
• Head of fibula
• Greater trochanter
• Acromion process (middle of)
• External auditory meatus

You See

• Plumb line is posterior to the landmarks specified in lateral view
• Body weight is shifted forward
• Ankles in dorsiflexion

Cause

• Short dorsiflexors
• Overstretched plantar flexors
• Short hamstrings
• Short extensors of the spine