2020年6月7日 · The flexor pulley system of the hand is a complex structure that co-ordinates flexion of the digits. It consists of: Long flexor tendons – and their associated synovial sheaths. …

2024年11月22日 · failure to remove scar tissue dorsal to tendon (tendon is not pressed against bone) persistent bowstringing will lead to a clinically significant flexion contracture …

The pulley system plays a crucial role in maintaining an angle of approach of the flexor tendons onto its insertion site and retinacular restrainer. [1] There are five flexor tendon pulleys in the …

The first annular pulley (A1 pulley), near the head of the metacarpal bone, lies in the flexor groove in the deep transverse metacarpal ligament. As a general rule, the A1, A3, and A5 pulleys in …

- A1 pulley: - arises from volar plate of MP joint, beginning 5 mm proximal to the MP joint and ending at the base of the proximal phalanx; - average length of A1 pulley is 1 cm;

Proximal to the A1 pulley lies the palmar aponeurotic (PA) pulley, which is composed of transverse ligament of the palmar aponeurosis that is attached to the underlying septa of …

Pyogenic flexor tenosynovitis (PFT) is frequently diagnosed by physical examination according to the Kanavel signs. This study proposes a modification of the Kanavel sign “tenderness over …

A1 pulley is one of the palmar plate annular pulleys in the pulley system of a typical flexor tendon of the finger. The normal gliding motion of a flexor tendon is dependent on a “critical tendon …

DIGITAL PULLEY system guides flexor tendon excursion into efficient and useful motion at the interphalangeal (IP) joints. Damage or resection of the pulleys results in volar displacement of …

Flexor tendon pulley has been very early noticed and described. Terminology usually accepted recognizes 6 arcifom pulleys (A0 to A5) and 3 cruciform pulleys (C1 to C3). Anatomy and …