Intra-Articular Joint Injections: The Hock

Intra-Articular Joint Injections: The Hock


The hock is composed of four joints: the tibiotarsal joint, the proximal intertarsal joint, the distal intertarsal joint, and the tarsometatarsal joint. There is communication between the tibiotarsal joint and the proximal inter tarsal joint. We will show how to
puncture the tibiotarsal joint and tarsometatarsal joint. The tibiotarsal joint is available for
puncture on a large area on the dorsomedial aspect of the
hock. The fluctuating joint capsule can be easily palpated. To assure aseptic conditions, the hair over the injection point must be clipped and the skin must always be carefully disinfected before arthrocentesis. After finding the injection point, the
needle is inserted at right angles to the skin. Avoid puncturing the saphenous vein. The tarsometatarsal joint can be entered on the lateral aspect of the hock, just above the top of the fourth metatarsal bone. After finding the injection point, the needle is inserted at approximately right angles to the skin. Spontaneous synovial backflow may
be difficult to obtain from this joint.

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