What Is Inverted Screen Test

Muscles are generally activated through the brain, locally or by higher spinal reflexes, through the neuromuscular splice head, and are constrained by the muscular and other skeletal systems. Thus, the complexity of the system means that measurement of muscle strength in vivo is critical for assessing disease and advancing the effectiveness of treatment.

The inverted screen test is a test used to determine the strength of all limbs in rodents. The apparatus for the screen experiment consists of a 45 cm square centimeter mesh belt, a 12 cubic centimeter mesh, and a 5 cm high wooden strip frame edge on the left and right sides of the mesh board. During the inverted screen experiment, the experimental animal was first placed on a horizontally placed screen. Then one end was slowly raised and the screen was rotated 180 degrees and held for 120s. Whether the animal fell off was observed and the latency to fall was recorded to assess the animal's coordinated locomotor ability.

Rating Criteria

Falling between 1-10 seconds = 1

Falling between 11-25 seconds = 2

Falling between 26-60 seconds = 3

Drop between 61-90 seconds = 4

Drop after 90 seconds = 5

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