Does treating the posterior shoulder area stiffness in athletes affect the positional relationship of the shoulder joint?

Effects of an intervention to posterior shoulder tightness on the scapular fossa, humeral head position, and subacromial space in the overhead athlete. - Posterior shoulder tightness intervention study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000042080

Enrollment

Registered

2020-10-11

Start date

2013-10-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Adult

Interventions

Inter-Structural Release 4 weeks stretching 4 weeks Control

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: healthy

Exclusion criteria

Exclusion criteria: had a history of surgery on the shoulder, had any injuries, pain, or dysfunction in the shoulder, neck, spine or upper extremity at the time of the study could not understand the subject had problems with communication could not undergo Magnetic Resonance Imaging, e.g. claustrophobia were participating in overhead activities, competitive sports, or weight training.

Design outcomes

Primary

Measure	Time frame
range of motion	—

Secondary

Measure	Time frame
humeral head position relative to the glenoid	—

Countries

Japan

Contacts

Public Contactkoki hamada

Sadamatsu Hospital Rehabilitation

kouki.hamada617@gmail.com0957541161

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026