The Preventive Effect of the Nordic Hamstring Exercise and Physical Function Related to Hamstring Injuries in High School Soccer Players

The Preventive Effect of the Nordic Hamstring Exercise and Physical Function Related to Hamstring Injuries in High School Soccer Players - The Preventive Effect of the Nordic Hamstring Exercise and Physical Function Related to Hamstring Injuries in High School Soccer Players

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000035806

Enrollment

250

Registered

2019-02-07

Start date

2016-11-01

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

Hamstring injury

Interventions

The intervention group performed Nordic hamstring exercise for 27 weeks. The control group conducted regular training.

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Male soccer club members belonging to the top 16 schools of all 138 schools in Saitama Prefecture High School Football League in the previous season.

Exclusion criteria

Exclusion criteria: 1. Who had hamstring injuries at the start of the study. 2. Who had a history of surgery in the lumbar spine or lower limbs at the time when consent was obtained.

Design outcomes

Primary

Measure	Time frame
Hamstring injury (27 weeks)	—

Countries

Japan

Contacts

Public ContactKiyokazu Akasaka

Saitama Medical University Graduate School School of Medicine

akasaka-smc@umin.ac.jp049-295-1001

Outcome results

None listed

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