Grade I
Injury:
- There may be tenderness
at the joint when touched.
- There may be some
bruising around joint.
- There is minor pain
with arm movement.
- There is no pain in
the area of the coracoclavicular ligaments.
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Grade II Injury:
- There is moderate
to severe pain at the joint.
- Swelling may be present.
- There is pain with arm movement.
- There may be a small
bump on the top of the shoulder where the clavicle
ends.
- The clavicle may move when pushed.
- The area of the coracoclavicular
ligaments may be painful when touched.
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Grade III Injury:
- Typically, the injured
person immediately supports the elbow while holding
the arm close to the side. This prevents the pain
outward arm movement would cause.
- Pain is present with
any arm motion.
- Pain is present around
the joint and in the area of the coracoclavicular
ligaments.
- Swelling is present.
- As the joint moves,
a popping sound may occur.
- There is shoulder deformity
and a bump on the top of the shoulder.
- The AC joint is very
unstable.
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