AC Joint Line Tenderness

Execution:

1. Patient is in sitting position with the arm resting along the body
2. The examiner palpates the joint line between the acromion and the clavicle

 

Positive Outcome: Pain in the AC joint line upon palpation

 

Study	Reliability	Sn	Sp	LR+	LR-
Walton et al. (2004)	NA	96	10	1.07	0.4
Krill et al. (2018)	NA	48	60	1.31	0.78
Micheroli et al. (2015)	Inter-rater ĸ=0.45	38	99	38	0.63
Cadogan et al. (2013)	NA	36	73	1.37	0.87
Comment: Although this test has a very high sensitivity according to Walton et al. (2004), the low specificity renders this test unable to exclude AC joint pathology