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Comparison of Synergistic Activation of the Scapular Muscles during Lat Pulldowns with Different Handle Shapes

Effects of Different Lat Pulldown Handle Shapes on Scapular Coupled Motion and EMG Synergistic Activation

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500110939
Enrollment
Unknown
Registered
2025-10-22
Start date
2025-10-26
Completion date
Unknown
Last updated
2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

none

Interventions

Test group:Participants were randomly assigned to perform four conditions (right angle grip, curved grip, V-shaped grip, and rope grip), with the grip condition order determined by Latin square sortin

Sponsors

Guangzhou Sport University
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: (i) no history of neuromuscular or musculoskeletal disorders; (ii) at least two years of regular strength training experience; (iii) self-reported good health.

Exclusion criteria

Exclusion criteria: (i) current smokers; (ii) individuals reporting a risk of caffeine allergy.

Design outcomes

Primary

MeasureTime frame
latissimus dorsi EMG amplitude;biceps brachii EMG amplitude;triceps brachii EMG amplitude;middle trapezius EMG amplitude;posterior deltoid EMG amplitude;—

Countries

CHINA

Contacts

Public ContactDuanying Li

Guangzhou Sport University

duanyingli123@163.com+86 158 2026 5799

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026