Sit-to-stand exercise

Sit-to-stand exercise has been studied in 2 papers since 2018: 1 trial in people, 1 review. The newest paper, Dec 27, 2018: “Repeated sit-to-stand exercise enhances muscle strength and reduces lower body muscular demands in physically frail elders”.

Intervention

2 papers study it2 findingsUpdated

“KET/BM increased from 1.07 ± 0.28 Nm/kg at baseline to 1.26 ± 0.26 Nm/kg at week 4 and 1.31 ± 0.28 Nm/kg at week 12 (P < 0.001)”
Repeated sit-to-stand exercise enhances muscle strength and reduces lower body muscular demands in physically frail eldersExperimental gerontology2018doi:10.1016/j.exger.2018.12.016
  • 1 lab
  • Human trial1

What did studies of Sit-to-stand exercise find?

2

Studies of Sit-to-stand exercise measured 2 outcomes; the most studied are normalized muscle EMG activity during squatting (1 study) and knee extensor strength (1).

Normalized muscle EMG activity during squatting

downin humans1

1 study
  1. Sit-to-stand exercise decreases normalized muscle EMG activity during squatting in humans (67.2 ± 17.2% at baseline, 49.3% at week 4, 43.5 ± 7.7% at week 12).

    “QF %EMGmax decreased from 67.2 ± 17.2% to 49.3% at week 4 (P < 0.001) and 43.5 ± 7.7% at week 12 (P = 0.016).”

    Human trialphysically frail eldersrectus femoris and vastus lateralis muscles48 repetitions/session, 3 sessions/week12 weeksn = 14

    Repeated sit-to-stand exercise enhances muscle strength and reduces lower body muscular demands in physically frail elders

    Experimental gerontology

More on Normalized muscle EMG activity during squatting

Knee extensor strength

upin humans1

1 study
  1. Sit-to-stand exercise improves knee extensor strength in humans (KET/BM: 1.07 ± 0.28 Nm/kg at baseline, 1.26 ± 0.26 at week 4, 1.31 ± 0.28 at week 12).

    “KET/BM increased from 1.07 ± 0.28 Nm/kg at baseline to 1.26 ± 0.26 Nm/kg at week 4 and 1.31 ± 0.28 Nm/kg at week 12 (P < 0.001)”

    Human trialphysically frail elders48 repetitions/session, 3 sessions/week12 weeksn = 14

    Repeated sit-to-stand exercise enhances muscle strength and reduces lower body muscular demands in physically frail elders

    Experimental gerontology

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