ArticlePeerJ2024
Exploring quadriceps activity variations in women: the role of seated posture during stair climbing.
Article in PeerJ, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 authors.
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Abstract
Background: Adults in modern society spend most of their time in a sitting position. However, sitting for long periods of time can affect the length and sensation of the quadriceps muscle and negatively affect the performance of functional tasks required in daily life. In addition, it may have different characteristics according to sitting postures. Aim: The aim of this study is to investigate the differences in quadriceps muscle activity during stair climbing and descending based on various sitting postures. Methods: Thirty healthy adult women were classified into sitting upright (SU), sitting with legs crossed (SLC), and sitting with ankles crossed over knees (SAC). The muscle activities of the vastus medialis (VM), vastus lateral (VL), and rectus femoris (RF) were collected during climbing and descending the stairs three times each. After which a sitting posture was maintained for 15 min, the post-measurement was performed in the same way as the pre-measurement. One-way analysis of variance or Kruskal-Walli's test was used to check homogeneity between each group, least significant difference (LSD) was used for Results: VM muscles were significantly decreased after maintaining a sitting posture during descending stairs of SAC group (
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