Koichiro Yanai

Maebashi, Japan

Last Updated: 09/26/2026

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Found 13 publications

Relation between forearm flexor-pronator muscle elasticity and ulnar collateral ligament laxity of the elbow joint in high school pitchers with and without medial elbow tenderness: evaluation using shear wave elastography.

Relation between forearm flexor-pronator muscle elasticity and ulnar collateral ligament laxity of the elbow joint in high school pitchers with and without medial elbow tenderness: evaluation using shear wave elastography.

Journal: JSES international

Published: June 17, 2026

Is the degree of carrying angle associated with ulnar nerve instability? A cross-sectional study of high school baseball pitchers.

Is the degree of carrying angle associated with ulnar nerve instability? A cross-sectional study of high school baseball pitchers.

Journal: JSES reviews, reports, and techniques

Published: May 01, 2026

Treatment of Pediatric Fingertip Amputations by Chest and Palm Subcutaneous Pocket Techniques.

Treatment of Pediatric Fingertip Amputations by Chest and Palm Subcutaneous Pocket Techniques.

Journal: Plastic and reconstructive surgery. Global open

Published: December 18, 2025

Comparison of Shoulder and Elbow Biomechanical Characteristics in Left- and Right-Handed Youth Baseball Players.

Comparison of Shoulder and Elbow Biomechanical Characteristics in Left- and Right-Handed Youth Baseball Players.

Journal: Journal of clinical medicine

Published: October 22, 2025

Relationship between the carrying angle, medial instability of the elbow, and general joint laxity in high school baseball pitchers: a cross-sectional study.

Relationship between the carrying angle, medial instability of the elbow, and general joint laxity in high school baseball pitchers: a cross-sectional study.

Journal: JSES international

Published: September 17, 2025

Relationship Between Ulnar Nerve Instability and the Degree of Ulnar Collateral Ligament Laxity in High School Baseball Pitchers.

Relationship Between Ulnar Nerve Instability and the Degree of Ulnar Collateral Ligament Laxity in High School Baseball Pitchers.

Journal: Cureus

Published: March 03, 2025

Impact of Pitching on Infraspinatus Muscle Elasticity in High School Baseball Pitchers: A Continuous Shear Wave Elastography Study.

Impact of Pitching on Infraspinatus Muscle Elasticity in High School Baseball Pitchers: A Continuous Shear Wave Elastography Study.

Journal: Diagnostics (Basel, Switzerland)

Published: February 04, 2025

The Association between Excessive Glenohumeral External Rotation and Risk for Shoulder and Elbow Injury in Left-Handed High School Baseball Pitchers: A Prospective Cohort Study.

The Association between Excessive Glenohumeral External Rotation and Risk for Shoulder and Elbow Injury in Left-Handed High School Baseball Pitchers: A Prospective Cohort Study.

Journal: Orthopaedic journal of sports medicine

Published: December 27, 2024

Differences in Glenohumeral Range of Motion, Shoulder Strength, and Humeral Torsion Between Right- and Left-handed High School Baseball Pitchers.

Differences in Glenohumeral Range of Motion, Shoulder Strength, and Humeral Torsion Between Right- and Left-handed High School Baseball Pitchers.

Journal: Orthopaedic journal of sports medicine

Published: December 06, 2024

A case of pediatric medial epicondyle fracture with medial and lateral collateral ligament injury.

A case of pediatric medial epicondyle fracture with medial and lateral collateral ligament injury.

Journal: JSES international

Published: September 16, 2024

The Preseason Functional Movement Screen as a Predictive Tool for Shoulder and Elbow Injuries in High School Baseball Pitchers: A Prospective Cohort Study.

The Preseason Functional Movement Screen as a Predictive Tool for Shoulder and Elbow Injuries in High School Baseball Pitchers: A Prospective Cohort Study.

Journal: Orthopaedic journal of sports medicine

Published: June 16, 2024

Prevalence and factors associated with lateral epicondylitis among hospital healthcare workers.

Prevalence and factors associated with lateral epicondylitis among hospital healthcare workers.

Journal: JSES international

Published: May 06, 2024

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Last Updated: 09/26/2026