Origin of the SFDT in the front and hind legs?

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Multiple Choice

Origin of the SFDT in the front and hind legs?

The main idea is where the superficial digital flexor tendon (SFDT) actually begins on the leg. The SFDT is the tendon of the superficial digital flexor muscle. In the front limb, this muscle originates from the humerus, so the SFDT’s proximal origin is at the humerus. In the hind limb, the same muscle originates from the femur, so the SFDT’s proximal origin is at the femur. From there, the tendon runs down the limb to flex the digits. This is why the correct pairing is humerus for the front limb and femur for the hind limb. The other bones listed don’t serve as the proximal origin for this tendon—the radius/ulna are forearm bones, the scapula/pelvis are girdle bones, and the tibia/fibula are lower-leg bones, not the muscle origins for the SFDT.

The main idea is where the superficial digital flexor tendon (SFDT) actually begins on the leg. The SFDT is the tendon of the superficial digital flexor muscle. In the front limb, this muscle originates from the humerus, so the SFDT’s proximal origin is at the humerus. In the hind limb, the same muscle originates from the femur, so the SFDT’s proximal origin is at the femur. From there, the tendon runs down the limb to flex the digits. This is why the correct pairing is humerus for the front limb and femur for the hind limb. The other bones listed don’t serve as the proximal origin for this tendon—the radius/ulna are forearm bones, the scapula/pelvis are girdle bones, and the tibia/fibula are lower-leg bones, not the muscle origins for the SFDT.

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