Comparison of accuracy of anterior and superomedial approaches to shoulder injection: an experimental study

Open Access

Table 1.

Summary of accuracy, penetration, and depth of needle.

Outcome	Anterior technique	Superomedial technique
Accuracy^a	55%	84%^*
Penetration sites
Rotator interval	69%	4%^*
Long head of biceps tendon	28%	4%^*
Subscapularis	3%	–
Superior capsule	–	57%^*
Superior labrum	–	35%^*
Depth of needle	32 ± 7 mm	42 ± 7 mm^*

Based on the percentage of intra-articular needle placements.

p < 0.05 (comparison between anterior and superomedial techniques).

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