Inspection 

• relaxed posture
• normal musculature
• rate 10 - 18 breaths per minute, regular
• no cyanosis or pallor
• anteroposterior diameter less than transverse diameter

Palpation 

• symmetric chest expansion
• tactile fremitus present and equal bilaterally

Percussion 

• resonant

Auscultation 

• vesicular over peripheral fields
• bronchovesicular over sternum (anterior) and between scapulae (posterior)
• infant and child - bronchovesicular throughout
• no adventitious sounds