Tenderness directly over AC<unk>  (with possible deformity)
AC compression test
Passively flex arm so It is parallel with ground; then passively adduct across body
Pain suggests AC<unk>  injury
Ability to touch contralateral shoulder with injured arm suggests lack of shoulder dislocation
Passively flex arm so It is parallel with ground; then passively adduct across body
Pain suggests AC<unk>  injury
Pain suggests AC<unk>  injury
Acromioclavicular joint injury
Traumatic/Acute:
Ankle syndesmosis injury
Shoulder Dislocation
Scapular fracture
Anterior shoulder dislocation
Lunotriquetral ligament instability
Posterior shoulder dislocation