Alterations in Spiking Following Muscle Fatigue in Volleyball Players

Starting soon

Conditions studied: Fatigue

In brief

This study aims (1)to investigate the effects of repetitive functional overhead movements targeting shoulder and scapular muscles on glenohumeral and scapular kinematics and muscle activation during the arm cocking and acceleration of spiking, and changes in subacromial structures in healthy recreational volleyball players; (2) to compare these fatigue-related changes between athletes with good and poor shoulder motor control.

Key facts

Study ID

NCT07687550

Run by

National Yang Ming Chiao Tung University

People needed

35

Starts

2026-07-01

Expected to finish

2027-01-01

Last updated by the study team

2026-07-07

Who can join

Age: 18 and older, up to 35. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Between 18 and 35 years old
• At least 2 consecutive years of volleyball experience
• Involved in volleyball practice or game for at least 4 hours per week
• Able to perform a cross-body spike with 3-step

You may not qualify if…

• A history of major shoulder or spinal injury or surgery
• Experiencing shoulder pain (VAS ≥ 3/10) in the last 6 months

Where it is running

• National Yang Ming Chiao Tung University — Taipei, Taiwan

Full record on ClinicalTrials.gov

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