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Table 5 Descriptive statistics for group main effect for all dependent measures at initial contact and peak

From: Implicit video feedback produces positive changes in landing mechanics

  EXP IMP CON p (group)
Mean (SD) 95% CI Mean (SD) 95% CI Mean (SD) 95% CI
Heel strike
HF (°) 34.8 ± 9.3 28.9, 40.6 35 ± 12.7 29.1, 40.8 36.5 ± 8.7 30.7, 42.3 n.s.
HA (°) −9.4 ± 4.1a −12.1, −6.7 − 6.7 ± 4a − 9.4, − 4 −7.9 ± 5.5 − 10.6, − 5.2 0.02
HAM (Nm/kg) −0.03 ± 0.4 −0.2, 0.1 0.04 ± 0.4 −0.1, 0.2 0.04 ± 0.3 −0.1, 0.2 n.s.
KF (°) −30.4 ± 7.2 −35.4, −25.5 − 29.7 ± 9.1 −34.6, − 24.7 − 31.6 ± 8 − 36.6, − 26.7 n.s.
KA (°) 1.1 ± 3.6 − 0.8, 2.9 1 ± 2.4 − 0.9, 2.9 0.5 ± 3.5 − 1.4, 2.4 n.s.
KAM (Nm/kg) −0.07 ± 0.2a −0.2, 0.03 0.05 ± 0.2a −0.06, 0.2 − 0.01 ± 0.2 −0.1-0.1 0.01
Peak
HF (°) 34.8 ± 9.3 29, 40.6 34.8 ± 12.7 29, 40.7 36.6 ± 8.8 30.8, 42.4 n.s.
HA (°) −7.9 ± 4.7a −10.7, 5 −3.9 ± 4.5a −6.8, − 1.1 −6.2 ± 5.8 −9.1, − 3.3 < 0.001
HAM (Nm/kg) − 1 ± 0.4a − 1.3, −0.8 −1.3 ± 0.6a − 1.5, − 1 − 1.1 ± 0.4 −1.4, − 0.8 0.02
KF (°) −107.3 ± 14.8 − 116.7, − 98 − 103.7 ± 15.1 − 113.1, − 94.3 − 101.6 ± 16 − 111, − 92.3 n.s.
KA (°) −5.1 ± 4.8 − 7, − 3.3 −4.8 ± 3.1 − 6.6, − 2.9 −4.6 ± 4.1 − 6.4, − 2.7 n.s.
KAM (Nm/kg) − 0.3 ± 0.2a − 0.4, − 0.3 −0.4 ± 0.2a − 0.5, − 0.3 −0.4 ± 0.2 − 0.5, − 0.3 n.s
GRF (N) 2139.5 ± 326 1937, 2342 2120.7 ± 418 1918, 2323 2132.3 ± 371 1930, 2335 n.s.
  1. Mean ± standard deviation (SD) and 95% confidence intervals (CI)
  2. Hip flexion (HF), hip abduction (HA), hip abduction moment (HAM), knee flexion (KF), knee abduction (KA), knee abduction moment (KAM)
  3. Implicit group (IG), explicit group (EG), Control group (CG)
  4. aStatistically significant results; n.s.-not significant results