Inclusion Criteria:

• Study Group;

• Having a JIA diagnosis according to ILAR criteria between the ages of 8-16,

• Having unilateral knee joint involvement that will affect walking

• Being compatible, volunteer and cooperative in the study Control Group;

  1. Not having any neurological or orthopedic diagnosis
  2. Being between the ages of 8-16
  3. Being at a mental level that can understand the commands of the person performing the evaluation

Exclusion Criteria:

• Study Group;
• Having an additional neurological or orthopedic diagnosis accompanying JIA and affecting treatment results,
• Having lower extremity asymmetry or active lower extremity involvement other than the knee joint that will affect walking.

Control Group;

-Having any health problem that may affect the study