Changes in behavior or temperament

• Aggression

• Lethargy 

• Disinterest in people or normal activities 

• Loss of appetite

Riding issues

• Napping

• Rearing

• Bucking

• Headshaking

• Disunited

• Knocking jumps

• Lack of impulsion

• Difficulty with transitions

• Difficulty on one rein

• Reduced performance

• Resentment to tacking up

Lameness

Abnormal gait

Abnormal shoe wear

Saddle slipping

Stiffness

Swelling or inflammation

Loss of muscle mass or condition