J Anat January 2019 PMID 30411350

The moment arms of the muscles spanning the glenohumeral joint: a systematic review.

Freya Hik, David C Ackland

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Mentions

32
Peak: 9 in Jan 2019
across 3 sources since Jan 2019

Extended reach

2,015,234
potential audience

Total likes

27,995

Video views

1,837,325

Mentions per month

Jan 2019 – Feb 2025

Where it's discussed

  • X / Twitter23 posts
  • Facebook5 posts
  • YouTube4 videos

AI synopsis

What people are saying

The overall discussions demonstrate high engagement by referencing specific muscle roles, such as the anterior deltoid's involvement during abduction, and asking detailed questions about muscle functions like pectoralis major's role in external rotation. The tone ranges from supportive praise to inquisitive critique, emphasizing an active interest in applying the research to practical contexts.

AgreementModerate agreement

Most posts acknowledge and support the findings of the systematic review, with some discussing specific muscle contributions aligning with the article's conclusions.

InterestHigh interest

The discussions reflect a high level of interest in muscle function and shoulder biomechanics, evidenced by questions and enthusiastic endorsements of the article.

EngagementModerate engagement

While some users critically analyze the findings and ask detailed questions, others simply share links or general praise, indicating moderate depth.

ImpactModerate impact

Several posts highlight the significance of understanding muscle mechanics for rehabilitation and sports, suggesting the article has a meaningful influence on practitioners and students.

Abstract in brief

  • This systematic review analyzes the leverage, or moment arms, of key shoulder muscles during movements like abduction, flexion, and rotation, using geometric and tendon excursion methods.
  • It finds that the anterior and middle parts of the deltoid serve as the main elevators of the arm, especially during abduction and flexion, while muscles like pectoralis major, latissimus dorsi, and teres major function mainly as depressors, especially during shoulder adduction.
  • Rotator cuff muscles, particularly the supraspinatus, play a major role in rotating the humerus and are less involved in lifting or depressing the arm, helping improve understanding of muscle function during daily shoulder tasks like lifting and pushing.]

Top posts

Most liked on X and Bluesky
Derek Griffin
@DerekGriffin86 · X

The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Jan 28, 2019 · 25 likes · 10 shares · 38,327 followers View post →
OJSN
@iamojsn · X

The moment arms of the muscles spanning the glenohumeral joint: a systematic review - PubMed - https://t.co/nIALWQDE0D

May 31, 2022 · 2 likes · 1 share · 14,972 followers View post →
Sean Gough
@AmbivalentHypoc · X

@JaredPowell12 What about if one were to ask if it contributes to early abduction the most? Like Hik (Table 2) says anterior and middle delt have larger moment arms in abduction, but they say typically as one gets to 90deg, where supra has it possibly lower. Thoughts? https://t.co/rrO7J6UJVY

Feb 4, 2025 · 2 likes · 559 followers View post →
OJSN
@iamojsn · X

なるほど、意図は分かりました。 The moment arms of the muscles spanning the glenohumeral joint: a systematic review - PubMed - https://t.co/nIALWQDE0D Shoulder muscle moment arms during horizontal flexion and elevation - PubMed - https://t.co/tBofXmQa7q https://t.co/UPx0bB0oD0

Jun 4, 2022 · 1 like · 2 shares · 14,972 followers View post →
Prof. Ian Horsley
@Back_in_Action · X

Great article: The moment arms of the muscles spanning the glenohumeral joint: a systematic review. https://t.co/4O39rTnlv6 #ReadByQxMD

Jan 8, 2019 · 1 like · 3 shares · 11,833 followers View post →
Sean Gough
@AmbivalentHypoc · X

Question for anyone. Have been going over https://t.co/rrO7J6UJVY this paper, and it consistently says the pectoralis major helps in external rotation with the humerus in neutral. From everything I've been taught, I'm having a hard time wrapping my head around this. Help?

Feb 10, 2023 · 1 like · 559 followers View post →

All mentions

Sean Gough
@AmbivalentHypoc · X

@JaredPowell12 What about if one were to ask if it contributes to early abduction the most? Like Hik (Table 2) says anterior and middle delt have larger moment arms in abduction, but they say typically as one gets to 90deg, where supra has it possibly lower. Thoughts? https://t.co/rrO7J6UJVY

Feb 4, 2025 · 2 likes · 559 followers View post →
Michael Henry
@MichaelHen26343 · X

Hit EVERY Muscle Group with These 3 Exercises! https://t.co/1SPv9WbAKE via @YouTube https://t.co/N0BpFl9A61

Nov 11, 2024 · 82 followers View post →
Sean Gough
@AmbivalentHypoc · X

Question for anyone. Have been going over https://t.co/rrO7J6UJVY this paper, and it consistently says the pectoralis major helps in external rotation with the humerus in neutral. From everything I've been taught, I'm having a hard time wrapping my head around this. Help?

Feb 10, 2023 · 1 like · 559 followers View post →
SystematicReviewBot
@EvidenceRobot · X

RT @iamojsn: なるほど、意図は分かりました。 The moment arms of the muscles spanning the glenohumeral joint: a systematic review - PubMed - https://t.co/n…

Jun 4, 2022 · 2 shares · 6,709 followers View post →
OJSN
@iamojsn · X

なるほど、意図は分かりました。 The moment arms of the muscles spanning the glenohumeral joint: a systematic review - PubMed - https://t.co/nIALWQDE0D Shoulder muscle moment arms during horizontal flexion and elevation - PubMed - https://t.co/tBofXmQa7q https://t.co/UPx0bB0oD0

Jun 4, 2022 · 1 like · 2 shares · 14,972 followers View post →
SystematicReviewBot
@EvidenceRobot · X

RT @iamojsn: The moment arms of the muscles spanning the glenohumeral joint: a systematic review - PubMed - https://t.co/nIALWQDE0D

May 31, 2022 · 1 share · 6,709 followers View post →
OJSN
@iamojsn · X

The moment arms of the muscles spanning the glenohumeral joint: a systematic review - PubMed - https://t.co/nIALWQDE0D

May 31, 2022 · 2 likes · 1 share · 14,972 followers View post →
Antonello Viceconti
@Anto_Viceconti · X

RT @DerekGriffin86: The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Feb 5, 2019 · 10 shares · 494 followers View post →
Jo Gibson
@ShoulderGeek1 · X

RT @DerekGriffin86: The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Feb 3, 2019 · 10 shares · 30,558 followers View post →
Karen McCreesh
@McCreesh_Karen · X

RT @DerekGriffin86: The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Feb 3, 2019 · 10 shares · 5,880 followers View post →
Anita. Brankin. Pearce
@anitapearce · X

RT @DerekGriffin86: The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Feb 3, 2019 · 10 shares · 72 followers View post →
OOEC
@OOEC_Oxford · X

RT @DerekGriffin86: The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Feb 3, 2019 · 10 shares · 11,052 followers View post →
anju jaggi
@AnjuJaggi · X

RT @DerekGriffin86: The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Feb 3, 2019 · 10 shares · 12,503 followers View post →
Dottor Michele Verdano
@OrtopediaSpalla · X

RT @DerekGriffin86: The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Feb 3, 2019 · 10 shares · 106 followers View post →
Jaro Karppinen
@jaro_karppinen · X

RT @DerekGriffin86: The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Jan 29, 2019 · 10 shares · 468 followers View post →
Clínica Gardoqui
@JaimeGardoqui · X

Fuente: Hik, F. and Ackland, D. C. (2019), The moment arms of the muscles spanning the glenohumeral joint: a systematic review. J. Anat., 234: 1-15. doi:10.1111/joa.12903 Link articulo: https://t.co/NGTfkG9doP

Jan 29, 2019 · 273 followers View post →
SystematicReviewBot
@EvidenceRobot · X

RT @PhysioMilano: The moment arms of the muscles spanning the glenohumeral joint: a systematic review. https://t.co/7JD1DNy7N8 https://t.co…

Jan 28, 2019 · 1 share · 6,709 followers View post →
Gjergji Cobani
@GjergjiCobani · X

The moment arms of the muscles spanning the glenohumeral joint: a systematic review. https://t.co/7JD1DNy7N8 https://t.co/LeGMalJBsi

Jan 28, 2019 · 1 share · 67 followers View post →
Matthew Low
@MattLowPT · X

RT @DerekGriffin86: The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Jan 28, 2019 · 10 shares · 7,848 followers View post →
Derek Griffin
@DerekGriffin86 · X

The muscle control of the shoulder joint is indeed complex! https://t.co/x19489gLw2

Jan 28, 2019 · 25 likes · 10 shares · 38,327 followers View post →
SNT
@SNTwente · X

RT @Back_in_Action: Great article: The moment arms of the muscles spanning the glenohumeral joint: a systematic review. https://t.co/4O39rT…

Jan 8, 2019 · 3 shares · 216 followers View post →
SystematicReviewBot
@EvidenceRobot · X

RT @Back_in_Action: Great article: The moment arms of the muscles spanning the glenohumeral joint: a systematic review. https://t.co/4O39rT…

Jan 8, 2019 · 3 shares · 6,709 followers View post →
Prof. Ian Horsley
@Back_in_Action · X

Great article: The moment arms of the muscles spanning the glenohumeral joint: a systematic review. https://t.co/4O39rTnlv6 #ReadByQxMD

Jan 8, 2019 · 1 like · 3 shares · 11,833 followers View post →