Boundary Lubrication between the Tendon and the Pulley in the Finger* by SHIGEHARU UCHIYAMA, PETER C. AMADIO, JUN-ICHI ISHIKAWA, and KAI- NAN AN J Bone.

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Presentation transcript:

Boundary Lubrication between the Tendon and the Pulley in the Finger* by SHIGEHARU UCHIYAMA, PETER C. AMADIO, JUN-ICHI ISHIKAWA, and KAI- NAN AN J Bone Joint Surg Am Volume 79(2):213-8 February 1, 1997 ©1997 by The Journal of Bone and Joint Surgery, Inc.

Figs. 1-A, 1-B, and 1-C: Graphs of the representative patterns of force. SHIGEHARU UCHIYAMA et al. J Bone Joint Surg Am 1997;79:213-8 ©1997 by The Journal of Bone and Joint Surgery, Inc.

Fig. 1-B The specimens in group 2 were tested before treatment (Normal), after they were soaked in the hyaluronidase solution (HAdase), and after they were washed in saline solution (Wash). SHIGEHARU UCHIYAMA et al. J Bone Joint Surg Am 1997;79:213-8 ©1997 by The Journal of Bone and Joint Surgery, Inc.

Fig. 1-C The specimens in group 3 were tested immediately after dissection (Curve 1), were tested again (Curve 2), and were tested after they had been soaked for two hours in saline solution (Curve 3). SHIGEHARU UCHIYAMA et al. J Bone Joint Surg Am 1997;79:213-8 ©1997 by The Journal of Bone and Joint Surgery, Inc.

Figs. 2-A and 2-B: The average and the standard deviation for the differences in the gliding resistance between the first two treatments and the second two treatments in each of the three groups. SHIGEHARU UCHIYAMA et al. J Bone Joint Surg Am 1997;79:213-8 ©1997 by The Journal of Bone and Joint Surgery, Inc.

Fig. 2-B At a load of 14.7 newtons, the increase in the gliding resistance between the second two treatments in group 1 (a wash in saline solution and a soak in the hyaluronidase solution) was significantly greater (p = 0.002) than the increase between the... SHIGEHARU UCHIYAMA et al. J Bone Joint Surg Am 1997;79:213-8 ©1997 by The Journal of Bone and Joint Surgery, Inc.

Fig. 3 Surface-staining with alcian blue was positive for the flexor digitorum profundus tendons that were not treated with hyaluronidase (FDP) and was negative for the (untreated) palmaris longus tendons (PL) and the flexor digitorum profundus tendons that... SHIGEHARU UCHIYAMA et al. J Bone Joint Surg Am 1997;79:213-8 ©1997 by The Journal of Bone and Joint Surgery, Inc.

Fig. 4-A Scanning electron microscopic images of the synovial membrane on the palmar side of the flexor digitorum profundus tendon before (Fig. 4-A) and after (Fig. 4-B) it had been soaked in the hyaluronidase solution. SHIGEHARU UCHIYAMA et al. J Bone Joint Surg Am 1997;79:213-8 ©1997 by The Journal of Bone and Joint Surgery, Inc.

Fig. 4-B Scanning electron microscopic images of the synovial membrane on the palmar side of the flexor digitorum profundus tendon before (Fig. 4-A) and after (Fig. 4-B) it had been soaked in the hyaluronidase solution. SHIGEHARU UCHIYAMA et al. J Bone Joint Surg Am 1997;79:213-8 ©1997 by The Journal of Bone and Joint Surgery, Inc.