Characteristics of contact force and muscle activation during choreographed falls with 2 common landing techniques in contemporary dance
This study investigated the contact forces and muscle activation during 2 choreographed fall techniques in contemporary dancers and how these were affected by the fall technique. Ten collegiate-level dancers were instructed in 2 choreographed falls: (1) an anteriorly focused fall involving ankle plantar flexion, knee flexion, and hip flexion with dispersion of forces up the anterior surface of the shank (technique 1) and (2) a laterally focused fall involving inversion at the ankle with dispersion of forces up the lateral aspect of the shank (technique 2). The knee and hip contact forces were 26.3% smaller (technique 1: 1743 N vs technique 2: 1284 N) and 24.1% greater (technique 1: 1334 N vs technique 2: 1656 N), respectively, in technique 2 (P<.03). At the time of knee contact, percentage of maximal voluntary isometric contraction (%MVIC) was 45.8% greater for rectus femoris muscle (technique 1: 7.2% vs technique 2: 10.5%) and 96.9% greater for gluteus medius muscle (technique 1: 3.2% vs technique 2: 6.3%) (P<.01) in technique 2. The results provide insight into determining safer landing strategies to avoid knee injuries in individuals who experience a fall (ie, dancers, athletes, and older adults).
© Copyright 2019 Journal of Applied Biomechanics. Human Kinetics. Kaikki oikeudet pidätetään.
Aiheet: | liike biomekaniikka voima, vahvuus tanssi lihas laskeutuminen |
---|---|
Aihealueet: | tekniset lajit tekniset ja luonnontieteet |
Tagging: | Choreografie |
DOI: | 10.1123/jab.2018-0081 |
Julkaisussa: | Journal of Applied Biomechanics |
Julkaistu: |
2019
|
Vuosikerta: | 35 |
Numero: | 4 |
Sivuja: | 256-262 |
Julkaisutyypit: | artikkeli |
Kieli: | englanti (kieli) |
Taso: | kehittynyt |