Resting tremor: 

• ​Early stages:

  • Slight tremoring of the hand and foot on one side of the body

  • Typically, there is tremoring in one finger

  • Tremor consists of shaking and usually appears when the individual is relaxed

  • Tremor usually stops when the individual engages in muscle movement

  • Stress or excitement can enhance the strength of the tremors 

  • Even though tremors are the most common symptom, not every develops it

Bradykinesia:

• ​Reduction of sudden movements, giving the appearance of rigidity and a lack of facial expressivity 

• Causes difficulty in repetitive movements 

• Unable to take long strides while walking; instead they walk with short shuffles

• Causes difficulty in speech 

Rigidity:

• ​Muscles are always stiff, decreasing the individual's range of motion 

• Tightness in the neck, shoulder and legs 

• While walking, the individual does not swing his or her arms

• Can be painful

Postural instability:

• ​Tendency to be unstable when standing upright

• Tendency to sway backwards when standing (retropulsion) and results in falling backwards 

• Balance problems - have problems with quick movements