Spastic condition may follow some kind of damage to the brain. It may be immediately after birth, or later in the life after head injury, or an episode of stroke. The patient typically presents with a tightness of a specific group of muscles.
In a very typical scenario, the posture of the affected upper extremity is:
- Elbow is slightly flexed.
- Internally rotated.
- Wrist is flexed.
- Fingers are flexed in to a fist. The thumb is in palm.
- A part of the thumb is bent backward(Hyperextension at Metacarpo-phalangeal joint).