Abnormal joint physiology Flexed posturing of finger 2025-05-03T09:32:30Z This finding is one of the four Kanavel signs for pyogenic flexor tenosynovitis: (i) flexed posturing of the involved digit; (ii) tenderness to palpation over the tendon sheath; (iii) marked pain with passive extension of the digit; and (iv) fusiform swelling of the digit. A sign that can be observed in diseases such as Pyogenic or suppurative flexor tenosynovitis in which the affected finger is held in a flexed position. Often, there is pain on any attempt at passive finger extension. This finding is to be distinguished from a contracture of a finger joint in which the flexed positions is fixed.