Neer CS. Acromioplasty for the chronic impingement syndrome in the shoulder: a preliminary report. J Bone Joint Surg. 1972;54:41–50.

Article  PubMed  Google Scholar 

Michener LA, McClure PW, Karduna AR. Anatomical and biomechanical mechanisms of subacromial impingement syndrome. Clin Biomech. 2003;18:369–79.

Article  Google Scholar 

van der Windt DA, Koes BW, De Jong BA, Bouter LM. Shoulder disorders in general practice: incidence, patient characteristics, and management. Ann Rheumat Disea. 1995;95:959–64.

Article  Google Scholar 

Chopp-Hurley JN, O’Neill JM, McDonald AC, Maciukiewicz JM, Dickerson CR. Fatigue-induced glenohumeral an scapulothoracic kinematic variability: implications for subacromial space reduction. J Electromyograph Kinesiol. 2016;29:55–63.

Article  Google Scholar 

Ludewig PM, Braman JP. Shoulder impingement: biomechanical considerations in rehabilitation. Man Ther. 2011;16:33–9.

Article  PubMed  PubMed Central  Google Scholar 

Ludewig PM, Cook TM. Alterations in shoulder kinematics and associated muscle activity in people with symptoms of shoulder impingement. Phys Ther Rehab J. 2000;80:276–91.

CAS  Google Scholar 

Balke M, Schmidt C, Dedy N, Banerjee M, Bouillon B, Liem D. Correlation of acromial morphology with impingement syndrome and rotator cuff tears. Acta Orthop. 2012;84:178–83.

Article  Google Scholar 

Chopp-Hurley JN, O’Neill JM, Dickerson CR. Distribution of bone and tissue morphological properties related to subacromial space geometry in a young, healthy male population. Surg Radiol Anat. 2016;38:135–46.

Article  PubMed  Google Scholar 

Hughes RE, Bryant CR, Hall JM, Wening J, Huston LJ, Kuhn JE, et al. Glenoid inclination is associated with full-thickness rotator cuff tears. Clin Orthop Relat Res. 2003;407:86–91.

Article  Google Scholar 

Greenberg DL. Evaluation and treatment of shoulder pain. Med Clin. 2014;98:487–504.

Google Scholar 

Lin JC, Weintraub N, Aragaki DR. Nonsurgical treatment for rotator cuff injury in the elderly. J Am Med Direct Assoc. 2008;9:626–32.

Article  Google Scholar 

McCreesh KM, Crotty JM, Lewis JS. Acromiohumeral distance measurement in rotator cuff tendinopathy: Is there a reliable, clinically applicable method? A systematic review. Brit J Sports Med. 2015;49:298–305.

Article  Google Scholar 

Gruber G, Bernhardt GA, Clar H, Zachert M, Glehr M, Wurnig C. Measurement of the acromiohumeral interval on standardized anteroposterior radiographs: a prospective study of observer variability. J Should Elb Surg. 2010;19:10–3.

Article  Google Scholar 

Mirayan R, Donohoe S, Batech M, Suh BD, Acevedo DC, Singh A. Is there a difference in the acromiohumeral distances measured on radiographic and magnetic resonance images of the same shoulder with a massive rotator cuff tear? J Should Elb Surg. 2020;29:1145–51.

Article  Google Scholar 

Sanguanjit P, Apivatgaroon A, Boonsun P, Srimongkolpitak S, Chernchujit B. The differences of the acromiohumeral interval between supine and upright radiographs of the shoulder. Sci Rep. 2022;12:9404.

Article  CAS  PubMed  PubMed Central  Google Scholar 

Saupe N, Pfirrmann CWA, Schmid MR, Werner CML, Zanetti M. Association between rotator cuff abnormalities and reduced acromiohumeral distance. Am J Roentgenol. 2006;187:376–82.

Article  Google Scholar 

Fehringer EV, Rosipal CE, Rhodes DA, Lauder AJ, Puumala SE, Feschuk CA, et al. The radiographic acromiohumeral interval is affected by arm and radiographic beam position. Skel Radiol. 2008;37:535–9.

Article  Google Scholar 

Bushberg JT, Seibrt JA, Leidholdt EM, Boone JM. Fluoroscopy. In: Bushberg JT, editor. The essentials of physics of medical imaging. 3rd ed. Philadelphia: Lippincott Williams & Wilkins; 2012. p. 282–311.

Google Scholar 

Bey MJ, Brock SK, Beierwaltes WN, Zauel R, Kolowich PA, Lock TR. In vivo measurement of subacromial space width during shoulder elevation: technique and preliminary results in patients following unilateral rotator cuff repair. Clin Biomech. 2007;22:767–73.

Article  Google Scholar 

Lochmuller EM, Meier U, Anetzberger H, Habermeyer P, Muller-Gerbl M. Determination of subacromial space width and inferior acromial mineralization by 3D CT: preliminary data from patients with unilateral supraspinatus outlet syndrome. Surg Radiol Anat. 1997;19:329–37.

Article  CAS  PubMed  Google Scholar 

Werner CML, Conrad SJ, Meyer DC, Keller A, Hodler J, Gerber C. Intermethod agreement and interobserver correlation of radiologic acromiohumeral distance measurements. J Should Elb Surg. 2008;17:237–40.

Article  Google Scholar 

Bey MJ, Kline SK, Zauel R, Kolowich PA, Lock TR. In vivo measurement of glenohumeral joint contact patterns. J Adv Sign Proc. 2010. https://doi.org/10.1155/2010/162136.

Article  Google Scholar 

Bey MJ, Kline S, Zauel R, Lock TR, Kolowich PA. Measuring in-vivo glenohumeral joint kinematics: technique and preliminary results. J Biomech. 2008;41:711–4.

Article  PubMed  Google Scholar 

Bey MJ, Zauel R, Brock S, Tashman S. Validation of a new model-based tracking technique for measuring three-dimensional, in vivo glenohumeral joint kinematics. J Biomech Eng. 2006;128:604–9.

Article  PubMed  Google Scholar 

Mozingo JD, Akbari-Shandiz M, Marquez FM, Schueler BA, Holmes DR, McCollough CH, et al. Validation of imaging-based quantification of glenohumeral joint kinematics using an unmodified clinical biplane fluoroscopy system. J Biomech. 2018;71:306–12.

Article  PubMed  PubMed Central  Google Scholar 

De Wilde L, Plasschaert F, Berghs B, van Hoecke M, Verstraete K, Verdonk R. Quantified measurement of subacromial impingement. J Should Elb Surg. 2003;12:346–9.

Article  Google Scholar 

Lawrence RL, Schlangen DM, Schneider KA, Schoenecker J, Senger AL, Starr WC, et al. Effect of glenohumeral elevation on subacromial supraspinatus compression risk during simulated reaching. J Orthopaed Res. 2017;35:2329–37.

Article  Google Scholar 

Tasaki A, Nimura A, Nozaki T, Yamakawa A, Niitsu M, Morita W, et al. Quantitative and qualitative analyses of subacromial impingement by kinematic open MRI. Knee Surg Sport Traumatol Arthro. 2015;23:1489–97.

Article  Google Scholar 

Graichen H, Bonel H, Stammberger T, Heuck A, Englmeier KH, Reiser M, et al. A technique for determining the spatial relationship between the rotator cuff and the subacromial space in arm abduction using MRI and 3D image processing. Mag Res Med. 1998;40:640–3.

Article  CAS  Google Scholar 

Bagcier F, Kulcu DG, Yorulmaz E, Altunok EC. Intra- and inter-rater reliability of ultrasound measurements of supraspinatus tendon thickness, acromiohumeral distance, and occupation ratio in patients with shoulder impingement syndrome. Arch Rheumatol. 2020;35:385–93.

Article  PubMed  PubMed Central  Google Scholar 

Hougs Kjær B, Ellegaard K, Wieland I, Warming S, Juul-Kristensen B. Intra-rater and inter-rater reliability of the standardized ultrasound protocol for assessing subacromial structures. Physiol Theor Pract. 2017;33:398–409.

Article  Google Scholar 

McCreesh KM, Anjum S, Crotty JM, Lewis JS. Ultrasound measures of supraspinatus tendon thickness and acromiohumeral distance in rotator cuff tendinopathy are reliable. J Clin Ultras. 2016;44:159–66.

Article  Google Scholar 

Kumar P, Bradley M, Swinkels A. Within-day and day-to-day intrarater reliability of ultrasonographic measurements of acromion-greater tuberosity distance in healthy people. Physiol Theor Pract. 2010;26:347–51.

Article  Google Scholar 

Cavaggion C, Navarro-Ledesma S, Luque-Suarez A, Juul-Kristensen B, Voogt L, Struyf F. Subacromial space measured by ultrasound imaging in asymptomatic subjects and patients with subacromial shoulder pain: an inter-rater reliability study. Physiol Theor Prac. 2022. https://doi.org/10.1080/09593985.2022.2072251.

Article  Google Scholar 

Kumar P, Chetwynd J, Evans A, Wardle G, Crick C, Richardson B. Interrater and intrarater reliability of ultrasonographic measurements of acromion-greater tuberosity distance in healthy people. Physiol Theor Pract. 2011;27:172–5.

Article  Google Scholar 

Kumar P, Attwood M. Inter-rater reliability of ultrasound measurements of acromion-greater tuberosity distance between experienced and novice raters in healthy people. Musculoskel Care. 2017;16:163–6.

Article  Google Scholar 

Pijls BG, Kok FP, Penning LIF, Guldemond NA, Arens HJ. Reliability study of the sonographic measurements of the acromiohumeral distance in symptomatic patients. J Clin Ultras. 2010;38:128–34.

Article  CAS  Google Scholar 

Bulbrook BB, Chopp-Hurley JN, Wiebenga EG, Pritchard JM, Gatti AA, Keir PJ, et al. Muscle architecture and subcutaneous fat measurements of rectus femoris and vastus lateralis at optimal length aided by a novel ultrasound transducer attachment. Physiol Can. 2023;75:74–82.

Article  Google Scholar 

McDonald AC. Understanding the response of the shoulder complex to the demands of repetitive work [Doctoral Dissertation]. 2017. McMaster University.

Park HB, Yokota A, Gill HS, El Rassi G, McFarland EG. Diagnostic accuracy of clinical tests for the different degrees of subacromial impingement syndrome. J Bone Joint Surg. 2005;87:1446–55.

PubMed  Google Scholar 

Institute for Work & Health: Disabilities of the arm, shoulder, and hand (2022). http://www.dash.iwh.on.ca. Accessed Jul 2022.

Fedorov A, Beichel R, Kalpathy-Cramer J, Finet J, Fillion-Robin J-C, Pujol S, et al. 3D Slicer as an image computing platform for the quantitative imaging network. Mag Res Imag. 2012;30:1323–41.

Article  Google Scholar 

Lorensen WE, Cline HE. Marching cubes: a high resolution 3D surface construction algorithm. ACM SIGGRAPH Comput Graph. 1987;1987(21):163–9.

Google Scholar 

Mun D, Kim BC. Three-dimensional solid reconstruction of a human bone from CT images using interpolation with triangular Bézier patches. J Mech Sci Technol. 2017;31:3875–86.

Article  Google Scholar 

Valette S, Chassery JM, Prost R. Generic remeshing of 3D triangular meshes with metric-dependent discrete voronoi diagrams. IEEE Trans Visual Comput Graph. 2008;14:369–81.

Article  Google Scholar 

Desmeules F, Minville L, Riederer B, Cote CH, Fremont P. Acromio-humeral distance variation measured by ultrasonography and its association with the outcome of rehabilitation for shoulder impingement syndrome. Clin J Sport Med. 2004;14:197–205.

Article  PubMed  Google Scholar 

Bland JM, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Int J Nurs Stud. 2010;47:931–6.

Article  Google Scholar