Table II. .
Comparisons of the kinematic and kinetic variables during a double leg squat for the FAIS group between pre-operative and 6-month post-operative time points, and the healthy control group
| Pre | Post | Con | P-value | P-value | P-value | |
|---|---|---|---|---|---|---|
| Pre versus Post | Pre versus Con | Post versus Con | ||||
| Kinematics | ||||||
| Max. Flex. (°) | 98.5 ± 19.6 | 99.2 ± 16.7 | 104.8 ± 6.2 | 0.95 | 0.37 | 0.35 |
| Max. Ext. (°) | 3.9 ± 5.0 | 2.7 ± 3.5 | 3.5 ± 4.2 | 0.06 | 0.83 | 0.62 |
| Sagittal ROM (°) | 94.7 ± 22.9 | 96.6 ± 17.4 | 101.4 ± 7.5 | 0.61 | 0.41 | 0.45 |
| Descent squat velocity (m·s−1) | 0.4 ± 0.2 | 0.5 ± 0.2 | 0.6 ± 0.2 | 0.08 | 0.005 | 0.26 |
| Ascent squat velocity (m·s−1) | 0.4 ± 0.2 | 0.5 ± 0.2 | 0.6 ± 0.2 | 0.10 | 0.012 | 0.22 |
| Kinetics | ||||||
| Flex. Mom. (N·m/BW·H) | −6.4 ± 1.6 | −6.3 ± 1.7 | −5.9 ± 0.9 | 0.77 | 0.44 | 0.53 |
| Ext. Mom. (N·m/BW·H) | 0.4 ± 0.5 | 0.1 ± 0.4 | 0.2 ± 0.3 | 0.006 | 0.50 | 0.51 |
| Add. Mom. ((N·m/BW·H) | 2.4 ± 1.6 | 1.9 ± 2.0 | 1.5 ± 1.7 | 0.06 | 0.21 | 0.61 |
| Abd. Mom. (N·m/BW·H) | 1.2 ± 0.9 | 1.1 ± 1.1 | 0.6 ± 0.4 | 0.71 | 0.08 | 0.20 |
| ER Mom. (N·m/BW·H) | 0.5 ± 0.5 | 0.4 ± 0.7 | 0.6 ± 0.4 | 0.67 | 0.45 | 0.42 |
| IR Mom. (N·m/BW·H) | 0.8 ± 0.8 | 0.5 ± 0.5 | 0.5 ± 0.7 | 0.18 | 0.26 | 0.94 |
| Descent Flex. Mom. Rate (N·m/BW·H) | −2.7 ± 1.5 | −3.6 ± 1.5 | −3.5 ± 1.9 | 0.10 | 0.59 | 0.43 |
| Ascent Flex. Mom. Rate (N·m·BW·H)·s−1 | −3.5 ± 1.6 | −3.9 ± 1.9 | −3.1 ± 1.3 | 0.54 | 0.36 | 0.88 |
| Flex. Impulse (N·m/ BW·H )·s | −12.3 ± 4.5 | −9.6 ± 3.5 | −11.1 ± 4.9 | 0.10 | 0.46 | 0.27 |
Data reported as mean ± standard deviation.
Pre, FAIS group pre-operative time point; Post, FAIS group 6-month postoperative time point; Con, healthy control group; Max. Flex., maximum flexion angle; Max. Ext., maximum extension angle; Sagittal ROM, total sagittal plane joint range of motion; Flex Mom., peak flexion joint moment; Ext. Mom, peak extension joint moment; Add. Mom., peak adduction joint moment; Abd. Mom., peak abduction joint moment; ER Mom., peak external rotation joint moment; IR Mom., peak internal rotation joint moment; Descent Flex. Mom. Rate, flexion joint moment rate during descent phase; Ascent Flex. Mom. Rate, flexion joint moment rate during ascent phase; Flex. Joint Impulse, flexion joint impulse during the squat cycle.
Bold type indicates statistical significance at α = 0.05.