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Pain
Published in Michele Barletta, Jane Quandt, Rachel Reed, Equine Anesthesia and Pain Management, 2023
Jarred Williams, Katie Seabaugh, Molly Shepard, Dana Peroni
Location and method: A 25-gauge, 5/8-inch needle is inserted below the level of the carpometacarpal joint adjacent to the dorsal surface of the deep digital flexor tendon to anesthetize medial and lateral palmar nerves. Desensitizes the medial and lateral palmar nerves and the medial and lateral palmar metacarpal nerves at the level of the carpometacarpal joint.A 20- to 22-gauge, 1.5-inch needle is inserted below the level of the carpometacarpal bone along the palmar aspect of the second and fourth metacarpal bones directed dorsally towards the palmar aspect of the third metacarpal bone to anesthetize the medial and lateral palmar metacarpal nerves. Desensitizes the deep and superficial flexor tendons, second and fourth metacarpal bones, and the proximal aspect of the suspensory ligament.
The wrist
Published in Ashley W. Blom, David Warwick, Michael R. Whitehouse, Apley and Solomon’s System of Orthopaedics and Trauma, 2017
X-rays at first show no abnormality, but radioscintigraphy may reveal increased activity. Later X-rays may show either mottled or diffuse density of the bone, and later still the bone looks intensely sclerotic and irregular in shape or squashed (Figure 15.18). The capitate migrates proximally into the space left by the collapsing lunate, and the scaphoid flexes forward. Eventually, there are osteoarthritic changes in the wrist. Ulnar variance should be assessed by standardized X-ray examination with the shoulder abducted to 90 degrees, the forearm in neutral rotation and the wrist in neutral flexion–extension. As the lunate collapses, the relative length of the capitate from third metacarpal bone to distal radius increases.
The Pericardium (PC)
Published in Narda G. Robinson, Interactive Medical Acupuncture Anatomy, 2016
On the palm of the hand, between the 2nd and 3rd metacarpal bones, in a depression on the radial aspect of the third metacarpal bone. Can be found where the tip of the middle finger touches the palm when a tight fist is made.
Bilateral Transcranial Direct Stimulation Over the Primary Motor Cortex Alters Motor Modularity of Multiple Muscles
Published in Journal of Motor Behavior, 2020
JaeHyuk Lee, Yan Jin, BumChul Yoon
Reflective markers were attached on the third metacarpal bone, radial styloid process, ulna styloid process, forearm, and lateral epicondyle process. The individual forearm model was built such that the marker was captured by six motion capture cameras (Motion Analysis Corporation, Santa Rosa). The sampling rate was 100 Hz. We calculated two variables to capture the change in the final endpoint kinematics during fast reaching: The peak tangential velocity (PV) and the index of curvature (IoC) of the third metacarpal bone in the range between movement onset and termination. Movement onset and offset were defined as 10% of the peak velocity (Lacquaniti & Soechting, 1982). The velocity was computed as the derivatives of the position values on the three axes. The IoC represents the smoothness of the movement and was defined as the ratio of the length of the actual movement path to that of the virtual linear path.
Distraction plating for bilaterally severely comminuted distal radius fracture: a case report
Published in Case Reports in Plastic Surgery and Hand Surgery, 2023
Yuta Izawa, Hiroko Murakami, Tetsuya Shirakawa, Kazuo Sato, Toshiki Yoshino, Yoshihiko Tsuchida
Simultaneous bilateral surgery was performed on the 7th day after injury. First, a dorsal approach was used to open the 3rd and 4th compartments. Then, the open wound on the volar side was extended to enable manipulation of the fragments, including the articular surface. Next, a 12-hole metaphyseal plate was placed under the extensor tendons and fixed to the radial metaphysis and the third metacarpal bone with traction using an external fixator. Next, a Kirschner wire was inserted into the fragments, including the articular surface from the volar side, and reduced as a joystick. Finally, the bone defect was filled with autologous cancellous bone (Figure 4).
Interosseous-lumbrical adhesions – a rare condition? A series of five cases
Published in Journal of Plastic Surgery and Hand Surgery, 2021
David Jann, Torbjörn Vedung, Thomas Giesen, Daniel Muder
A 38-year-old woman suffered a hyperextension trauma to her index finger. Pain and swelling occurred immediately between the distal part of the second and third metacarpal bones and persisted over time. Hand therapy did not improve the condition. 18 months later, typical clinical findings were found with pain in the intrinsic plus position and neither MRI nor ultrasonography were used to further clarify the condition. Surgical release of local adhesions around the dTML was performed after identifying typical intraoperative findings (see Table 1 for details).