How to make an arm sling
An arm sling holds the forearm in a raised or horizontal
position and can support an injured upper arm, forearm and wrist.
The sling is also a useful visual warning to others that someone is
Watch our video - how to make an arm sling
What to do
1. Ask the casualty to support their arm with
their other hand. Gently slide the triangular bandage underneath
the arm. The point of the triangle should be underneath the elbow
of the injured arm. Bring the top end of the bandage around the
back of the neck.
2. Fold the lower end of the bandage up over
the forearm to meet the top of the bandage at the shoulder of the
3. Tie the two ends of the bandage together in
a reef knot above their collar bone and tuck in the free ends.
4. Adjust the sling so that it supports their
arm all the way to the end of their little finger.
5. Make sure that the edge of the bandage by
the elbow is secured by twisting the fabric and tucking it in, or
using a safety pin to fasten.
6. Check the circulation in their fingertips
every 10 minutes. Press their nail for 5 seconds until it turns
pale, then release to see if the colour returns within 2