Joint Moment Responses to Different Modes of Augmented Visual Feedback of Joint Kinematics during Two-Legged Squat Training
Abstract
:1. Introduction
2. Materials and Methods
2.1. Participants
2.2. Experimental Task
2.3. Experimental Set-Up for Data Collection
2.4. General Testing Procedure and Visual Feedback Modes
2.5. Data Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Joint Moment Mean | |||||||
---|---|---|---|---|---|---|---|
Joint | p-Val Complexity (F-Stat) | Simple Mean Value in N·m | Complex Mean Value in N·m | p-Val Representation (F-Stat) | Abstract Mean Value in N·m | Representative Mean Value in N·m | p-Val Interaction (F-Stat) |
Overall | 0.19 (1.7) | −20.4 ± 27.6 | −22.5 ± 26.6 | 0.75 (0.11) | −21.2 ± 27.3 | −21.7 ± 27.0 | 0.78 (0.08) |
Hip Flexion | 0.39 (0.74) | −50.5 ± 17.2 | −52.1 ± 18.7 | 0.93 (0.007) | −51.4 ± 17.6 | −51.2 ± 18.3 | 0.95 (0.005) |
Knee Flexion | 5.4 × 10−3 (7.8) | 7.8 ± 16.0 | 3.6 ± 13.8 | 0.42 (0.66) | 6.4 ± 15.1 | 5.1 ± 15.1 | 0.31 (1.0) |
Ankle Dorsi-Flexion | 0.38 (0.77) | −18.6 ± 4.7 | −19.0 ± 4.3 | 0.31 (1.0) | −18.5 ± 4.7 | −19.0 ± 4.4 | 0.83 (0.05) |
Joint Moment Variability | |||||||
t | p-Val Complexity (F-Stat) | Simple Mean Value in N·m | Complex Mean Value in N·m | p-Val Representation (F-Stat) | Abstract Mean Value in N·m | Representative Mean Value in N·m | p-Val Interaction (F-Stat) |
Overall | 0.04 (4.4) | 6.6 ± 2.6 | 6.9 ± 2.8 | 0.77 (0.09) | 6.8 ± 2.8 | 6.7 ± 2.6 | 3.2 × 10−3 (8.8) |
Hip Flexion | 0.04 (4.4) | 9.2 ± 2.3 | 9.7 ± 2.5 | 0.94 (0.03) | 9.4 ± 2.6 | 9.4 ± 2.2 | 0.03 (5.0) |
Knee Flexion | 0.30 (1.1) | 6.3 ± 1.4 | 6.1 ± 1.4 | 0.01 (6.73) | 6.4 ± 1.4 | 6.0 ± 1.4 | 1.1 × 10−5 (19.9) |
Ankle Dorsi-Flexion | 5.0 × 10−6 (21.5) | 4.3 ± 1.3 | 4.9 ± 1.4 | 0.075 (3.2) | 4.4 ± 1.4 | 4.7 ± 1.3 | 0.081 (3.1) |
Joint Moment Mean | |||||
---|---|---|---|---|---|
Joint | Simple-Abstract Mean Value in N·m | Simple-Representative Mean Value in N·m | Complex-Abstract Mean Value in N·m | Complex-Representative Mean Value in N·m | Significant Difference Pairs (p-Val) |
Overall | −20.4 ± 27.5 | −22.0 ± 27.2 | −20.4 ± 27.8 | −23.0 ± 26.2 | N/A |
Hip Flexion | −50.5 ± 17.3 | −52.3 ± 17.9 | −50.5 ± 17.2 | −52.0 ± 19.4 | N/A |
Knee Flexion | 7.7 ± 15.2 | 5.0 ± 14.8 | 8.0 ± 16.7 | 2.2 ± 12.7 | CA−CR (0.04) |
Ankle Dorsi-Flexion | −18.3 ± 5.2 | −18.8 ± 4.1 | −18.9 ± 4.2 | −19.2 ± 4.6 | N/A |
Joint Moment Variability | |||||
Joint | Simple-Abstract Mean Value in N·m | Simple-Representative Mean Value in N·m | Complex-Abstract Mean Value in N·m | Complex-Representative Mean Value in N·m | Significant Difference Pairs (p-Val) |
Overall | 6.4 ± 2.6 | 7.1 ± 2.9 | 6.8 ± 2.6 | 6.6 ± 2.6 | SA-SR (2 × 10−3) |
Hip Flexion | 8.9 ± 2.4 | 9.9 ± 2.8 | 9.4 ± 2.1 | 9.4 ± 2.3 | SA-SR (0.01) |
Knee Flexion | 6.2 ± 1.4 | 6.6 ± 1.4 | 6.4 ± 1.4 | 5.6 ± 1.3 | SA-CR (0.05), SR-CR (4 × 10−4), CA-CR (6 × 10−4) |
Ankle Dorsi-Flexion | 4.0 ± 1.3 | 4.9 ± 1.4 | 4.5 ± 1.2 | 4.9 ± 1.3 | SA-SR (4 × 10−5), SA-CA (3 × 10−5) |
Ankle Dorsi-Flexion | Knee Flexion | Hip Flexion | |||||||
---|---|---|---|---|---|---|---|---|---|
Early | Target | Late | Early | Target | Late | Early | Target | Late | |
JT Mom Mean p-val, (F-stat) | 0.95 (0.12) | 0.90 (0.20) | 0.50 (0.79) | 0.04 (2.9) | 5 × 10−4 (9.15) | 0.04 (2.9) | 0.98 (0.07) | 0.02 (3.5) | 7 × 10−3 (4.4) |
JT Mom Variability p-val (F-stat) | 0.48 (0.83) | 8 × 10−3 (4.4) | 0.04 (2.9) | 2 × 10−3 (5.7) | 0.02 (3.8) | 0.02 (3.8) | 0.08 (2.3) | 3 × 10−3 (5.1) | 7 × 10−4 (6.4) |
Simple-Abstract | Simple-Representative | Complex-Abstract | Complex-Representative | |
---|---|---|---|---|
Accuracy (mean error, degrees) | 5.1 ± 1.3 | 3.0 ± 0.6 | 4.4 ± 1.4 | 5.2 ± 1.3 |
Consistency/precision (s.d. of error, degrees) | 3.5 ± 1.2 | 1.9 ± 0.6 | 2.4 ± 0.6 | 3.3 ± 0.7 |
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Nataraj, R.; Sanford, S.P.; Liu, M. Joint Moment Responses to Different Modes of Augmented Visual Feedback of Joint Kinematics during Two-Legged Squat Training. Biomechanics 2023, 3, 425-442. https://doi.org/10.3390/biomechanics3030035
Nataraj R, Sanford SP, Liu M. Joint Moment Responses to Different Modes of Augmented Visual Feedback of Joint Kinematics during Two-Legged Squat Training. Biomechanics. 2023; 3(3):425-442. https://doi.org/10.3390/biomechanics3030035
Chicago/Turabian StyleNataraj, Raviraj, Sean Patrick Sanford, and Mingxiao Liu. 2023. "Joint Moment Responses to Different Modes of Augmented Visual Feedback of Joint Kinematics during Two-Legged Squat Training" Biomechanics 3, no. 3: 425-442. https://doi.org/10.3390/biomechanics3030035