This study aims to compare outcomes of short leg cast and foot cast for treatment acute fifth metatarsal fracture (Zone II).

A randomized controlled trial will conducts between January 2017 and January 2019, participants with acute fifth metatarsal fracture (Zone II) will recruit for this study at the orthopedic outpatient clinic of a police general hospital, Bangkok, Thailand. A total of 100 patients will randomly allocate to receive foot cast or short leg cast. acute closed fracture of proximal fifth metatarsal (zone II) patients.

Inclusion Criteria:acute closed fracture of proximal fifth metatarsal (zone II) with following criteria

1. History of trauma and pain at lateral side of foot
2. Tenderness at base of 5th metatarsal
3. Radiographic finding shown fracture line at proximal 5th metatarsal bone

Exclusion Criteria:

1. more than 1 week
2. comminuted or multiple fracture
3. Open fracture
4. Ligament and tendon injury
5. Previous injury complication: nonunion, delayed union
6. Malignancy
7. refuse to inform consent