Fig. 1From: Supraspinatus tendon thickness and subacromial impingement characteristics in younger and older adultsUltrasound measurement for a) supraspinatus tendon thickness (double-ended arrow), and b) acromiohumeral distance (double-ended arrow). SST: Supraspinatus tendon, DLT: Deltoid muscle, HH: Humeral head, GT: Greater tuberosity, ACR: AcromionBack to article page