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Jump-landing errors:-i. lateral trunk flexion, ii. ankle plantar flexion, iii. hip flexion.

Jump-landing errors:-i. lateral trunk flexion, ii. ankle plantar flexion, iii. hip flexion.

Source publication
Fig. 1. Proposed framework.
Fig. 2. Definition of body landmarks in MPP [20]. The highlighted...
Fig. 3. Method for keyframe identification.
Fig. 4. Jump-landing errors :-i. knee flexion, ii. knee valgus...
+3 Fig. 5. Jump-landing errors:-i. lateral trunk flexion, ii. ankle...
A Framework for Biomechanical Analysis of Jump Landings for Injury Risk Assessment
Conference Paper
Full-text available
  • Oct 2023
Competitive sports require rapid and intense movements , such as jump landings, making athletes susceptible to injuries due to altered neuromuscular control and joint mechanics. Biomechanical features during landings are associated with injury risk, emphasizing proper movement and postural stability. Computer vision techniques offer a time-efficien...
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Contexts in source publication

Context 1
... assume two straight lines: one from the hip midpoint to the top of the frame and the other connecting the hip midpoint to the shoulder midpoint. It is an error if the angle between these two lines does not equal 0° or 180° (Fig. 5i). ...
Context 2
... acquire the coordinates of the left and right heels (29,30) and the f oot index (31,32). If the y-coordinate of the heel is smaller than the f oot index for one foot or both feet, it indicates a heel-to-toe landing, which signifies an error (Fig. ...
Context 3
... calculate the left (11, 23, 25) and right (12,24,26) trunk flexion angles (Fig. 3iii) using the cosine of the known threepoint coordinates (shoulder, hip, knee). Following this calculation, if either trunk flexion angle measures approximately 0° or 180°, it is considered an error (Fig. ...

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