Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Rotator cuff function in the impingement syndrome.

M Watson1

  • 1Guy's Hospital, London, England.

The Journal of Bone and Joint Surgery. British Volume
|May 1, 1989
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

In vitro validation of colon delivery of vitamin B2 through a food grade multi-unit particle system.

Beneficial microbes·2024
Same author

Biomechanical parameters of the golf swing associated with lower back pain: A systematic review.

Journal of sports sciences·2024
Same author

A systematic review and meta-analysis of global and social functioning among people at risk of bipolar disorder.

Journal of affective disorders·2022
Same author

<i>In situ</i> evaluation of contact stiffness in a slip interface with different roughness conditions using ultrasound reflectometry.

Proceedings. Mathematical, physical, and engineering sciences·2022
Same author

Case report: <i>NTRK1</i>-rearranged cervical sarcoma with fibrosarcoma like morphology presenting in a 13-year-old managed with a neo-adjuvant TRK-inhibitor and surgical excision.

Gynecologic oncology reports·2021
Same author

Risk factors for persistent abnormality on chest radiographs at 12-weeks post hospitalisation with PCR confirmed COVID-19.

Respiratory research·2021
Same journal

Comorbidities in Perthes' disease: a case control study using the General Practice Research database.

The Journal of bone and joint surgery. British volume·2012
Same journal

The treatment of complex tibial shaft fractures by the Ilizarov method.

The Journal of bone and joint surgery. British volume·2012
Same journal

Posterior spinal arthrodesis for adolescent idiopathic scoliosis using pedicle screw instrumentation: does a bilateral or unilateral screw technique affect surgical outcome?

The Journal of bone and joint surgery. British volume·2012
Same journal

Anterior deltoid deficiency in reverse total shoulder replacement: a biomechanical study with cadavers.

The Journal of bone and joint surgery. British volume·2012
Same journal

Long-term results of dorsal intercarpal ligament capsulodesis for the treatment of chronic scapholunate instability.

The Journal of bone and joint surgery. British volume·2012
Same journal

Medial patellofemoral ligament reconstruction for patellar instability in patients with hypermobility: a case control study.

The Journal of bone and joint surgery. British volume·2012
See all related articles

Rotator cuff impingement syndrome involves the rotator cuff lengthening and twisting during arm elevation. Surgical treatments like acromioplasty show variable effectiveness based on impingement location.

Area of Science:

  • Orthopedics
  • Sports Medicine
  • Biomechanics

Background:

  • Impingement syndrome of the rotator cuff is a common cause of shoulder pain.
  • Understanding the biomechanics of the rotator cuff during arm elevation is crucial for diagnosis and treatment.

Purpose of the Study:

  • To investigate the changes in rotator cuff length and rotation during arm elevation.
  • To determine the timing and location of rotator cuff impingement.
  • To evaluate the effectiveness of surgical interventions for different types of impingement.

Main Methods:

  • Study included thirty-three patients diagnosed with rotator cuff impingement syndrome.
  • Observations were made before and during surgical procedures.
  • Analysis focused on rotator cuff behavior during arm elevation, including glenohumeral abduction, flexion, and external rotation.

Related Experiment Videos

Main Results:

  • The rotator cuff was observed to lengthen and twist during arm elevation.
  • Glenohumeral range of motion decreased progressively with elevation.
  • Rotator cuff impingement typically occurred at the end of early glenohumeral abduction.
  • Excision arthroplasty of the acromioclavicular joint and anterior acromioplasty were highly effective for subacromial impingement but only moderately effective for subacromioclavicular impingement.

Conclusions:

  • Arm elevation involves complex rotator cuff dynamics, including lengthening and twisting.
  • Impingement syndrome is linked to specific phases of arm elevation and joint mechanics.
  • Surgical outcomes for rotator cuff impingement vary depending on the anatomical site of impingement.