Brainstem/Tonic

STNR

Neck Flexion:

UE: Flex

LE: Extend

Neck Extension:

UE: Extension

LE: Flexion

Failure: Difficult c quadruped position

ATNR

• Turn head to one side

• Fencing or Archer position

• Face/Neck side: extend

• Skull/ Occiput side: flex

• Failure: Difficulty in rolling and feeding

Positive Supporting

• Contact the ball of the foot to the ground

• Rigid extension of the entire LE

• Failure: Difficulty in standing, walking, and stair climbing

Tonic Labyrinthine Reflex

Prone: Increased flexor tone

Supine: Increased extension tone

Failure: difficulty moving from supine to long sitting

Associated Reactions

• Resist one mov’t of one extremity

• Opposite extremity mimics the mov’t of resisted extremity

• Difficulty walking, crawling, sitting, feeding, dressing