ArticleThe Journal of orthopaedic and sports physical therapy2019
The Impact of Decreased Scapulothoracic Upward Rotation on Subacromial Proximities.
Article in The Journal of orthopaedic and sports physical therapy, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- In vivo assessment of the subacromial space during shoulder elevation following acromioclavicular joint reconstruction.Journal of biomechanics · 2026Article
- Scapulothoracic joint function and its association with throwing-related injuries in collegiate baseball pitchers: a prospective cohort study.JSES international · 2026Article
- Shoulder muscle activity magnitude and timing in individuals with specific scapular movement patterns.Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology · 2025Article
- A Kinematic Study on the Use of Overhead Squat Exercise with Elastic Resistance on the Shoulder Kinetic Chain Approach.Journal of functional morphology and kinesiology · 2025Article
- Changes in Shoulder Girdle Muscle Activity and Ratio During Pilates-Based Exercises.Life (Basel, Switzerland) · 2025Article
- The Effect of Low-Dose CT Protocols on Shoulder Model-Based Tracking accuracy Using Biplane Videoradiography.Annals of biomedical engineering · 2025Article
- The Effect of Scapular Orientation on Measures of Rotator Cuff Tendon Impingement: A Simulation Study.Journal of applied biomechanics · 2024Article
- In vivo shoulder kinematic changes and rotator cuff healing after surgical repair of large-to-massive rotator cuff tears.Journal of orthopaedic surgery and research · 2024Article
- Geometric accuracy of low-dose CT scans for use in shoulder musculoskeletal research applications.Medical engineering & physics · 2024Article
- Effects of Scapular Angular Deviations on Potential for Rotator Cuff Tendon Mechanical Compression.Orthopaedic journal of sports medicine · 2024Article
- Investigating the multifactorial etiology of supraspinatus tendon tears.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2024Article
- Effects of elevation on shoulder joint motion: comparison of dynamic and static conditions.Clinics in shoulder and elbow · 2023Article
- In vivo evaluation of rotator cuff internal impingement during scapular plane abduction in asymptomatic individuals.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2023Article
- Kinematic analysis of scapulothoracic movements in the shoulder girdle: a whole cadaver study.JSES international · 2023Article
- Comparison of glenohumeral joint kinematics between manual wheelchair tasks and implications on the subacromial space: A biplane fluoroscopy study.Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology · 2022Article
- Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography.Journal of visualized experiments : JoVE · 2021Article
- Risk Factors for Shoulder Injuries in Water Polo: a Cohort Study.International journal of sports physical therapy · 2021Article
- The Coupled Kinematics of Scapulothoracic Upward Rotation.Physical therapy · 2020Observational
- Fatigue-Induced Scapular Dyskinesis in Healthy Overhead Athletes.Frontiers in bioengineering and biotechnology · 2020Article
- Shoulder kinematics impact subacromial proximities: a review of the literature.Brazilian journal of physical therapyReview
Corrections and comments
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3 authors.
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Abstract
backgroundDecreased scapulothoracic upward rotation has been theorized to increase an individual's risk for rotator cuff compression by reducing the clearance for the tendons in the subacromial space (ie, subacromial proximities). However, the impact of decreased scapulothoracic upward rotation on subacromial proximities has not been tested during dynamic in vivo shoulder motion.
objectiveTo determine the impact of decreased scapulothoracic upward rotation on subacromial proximities.
methodsShoulder kinematics were quantified in 40 participants, classified as having high or low scapulothoracic upward rotation, during scapular plane abduction using single-plane fluoroscopy and 2-D/3-D shape-matching. Subacromial proximities were calculated as (1) the normalized minimum distance between the coracoacromial arch and humeral rotator cuff insertion, and (2) the surface area of the humeral rotator cuff insertion in immediate proximity to the coracoacromial arch. The effect of decreased scapulothoracic upward rotation on subacromial proximities was assessed using 2-factor mixed-model analyses of variance. The prevalence of contact between the coracoacromial arch and rotator cuff was also quantified.
resultsSubacromial distances were generally smallest below 70° of humerothoracic elevation. With the arm at the side, the normalized minimum distance for participants in the low scapulothoracic upward rotation group was 34.8% smaller compared to those in the high upward rotation group (P = .049). Contact between the coracoacromial arch and rotator cuff tendon occurred in 45% of participants.
conclusionDecreased scapulothoracic upward rotation shifts the range of risk for subacromial rotator cuff compression to lower angles. However, the low prevalence of contact suggests that subacromial rotator cuff compression may be less common than traditionally presumed. J Orthop Sports Phys Ther 2019;49(3):180-191. Epub 18 Jan 2019. doi:10.2519/jospt.2019.8590.
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