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Table 1 Assessment of two-handed knot-tying techniques

From: Effectivity of near-peer teaching in training of basic surgical skills – a randomized controlled trial

 

1 point

2 points

3 points

Tension of knot-tying cords during the method

Mostly loose

Mostly tight

Always tight

Motion

Many unnecessary moves

Less unnecessary movement

No unnecessary movement

Direction of the first knot

Wrong (knot failure)

Not ideal (knot failure)

Good

Direction of knots

Always the same

Partially alternating

Alternating

Positioning of the knot

Did not push down

Mostly pushed down

Always pushed down

Respect of tissue

The latex rubber band always moved in the direction of the hand (knotting material is too tight)

Unnecessary movements of trainer’s latex rubber band

The latex rubber band did not move towards the hand

Stability of the knot

Loose loop, the edges of the rubber did not line up

The edges of the rubber just fit together

Good stability, the edges of the rubber fit together

Time

60 s<

45-60 s

<  45 s