Phases

1. Initial contact / heel strike
2. Stance
3. Toe off
4. Swing

Description ↓ stance ↑ swing

Cause Pain

Description
Hips dip
Shoulders lurch to contralateral side

Cause Weak abductors

Description
Slow initiation
Shuffling steps
Poor arm swing
Slow turn

Cause Parkinsonism

Description Lurches to one side

Cause Cerebellar lesions

Description
Foot strikes w/ ball and slaps the ground

Cause
Common peroneal
L5 disc

Description Internal rotation
Hips adducted

Cause UMN