noun
rotator interval; rotator cuff interval
Anatomical term referring to the triangular area between the supraspinatus and subscapularis tendons in the shoulder.
腱板疎部は肩関節の安定性に関与している。
The rotator interval is involved in the stability of the shoulder joint.
Compound of 腱板 (けんばん, 'rotator cuff') and 疎部 (そぶ, 'sparse area' or 'loose part'), describing the anatomical region where the cuff tendons are relatively sparse.