TY  - CHAP
A1  - Engel, Tilman
A1  - Müller, Juliane
A1  - Müller, Steffen
A1  - Reschke, Antje
A1  - Kopinski, Stephan
A1  - Mayer, Frank
T1  - Validity and reliability of a new customised split-belt treadmill provoking unexpected walking perturbations
T2  - Medicine and science in sports and exercise : official journal of the American College of Sports Medicine
Y1  - 2013
SN  - 0195-9131
SN  - 1530-0315
VL  - 45
IS  - 5
SP  - 462
EP  - 462
PB  - Lippincott Williams & Wilkins
CY  - Philadelphia
ER  - 
TY  - JOUR
A1  - Müller, Juliane
A1  - Engel, Tilman
A1  - Kopinski, Stephan
A1  - Mayer, Frank
A1  - Müller, Steffen
T1  - Neuromuscular trunk activation patterns in back pain patients during one-handed lifting
JF  - World journal of orthopedics
N2  - AIM To analyze neuromuscular activity patterns of the trunk in healthy controls (H) and back pain patients (BPP) during one-handed lifting of light to heavy loads. METHODS RESULTS Seven subjects (3m/4f; 32 +/- 7 years; 171 +/- 7 cm; 65 +/- 11 kg) were assigned to BPP (pain grade >= 2) and 36 (13m/23f; 28 +/- 8 years; 174 +/- 10 cm; 71 +/- 12 kg) to H (pain grade <= 1). H and BPP did not differ significantly in anthropometrics (P > 0.05). All subjects were able to lift the light and middle loads, but 57% of BPP and 22% of H were not able to lift the heavy load (all women) chi(2) analysis revealed statistically significant differences in task failure between H vs BPP (P = 0.03). EMG-RMS ranged from 33% +/- 10%/30% +/- 9% (DL, 1 kg) to 356% +/- 148%/283% +/- 80% (VR, 20 kg) in H/BPP with no statistical difference between groups regardless of load (P > 0.05). However, the EMG-RMS of the VR was greatest in all lifting tasks for both groups and increased with heavier loads. CONCLUSION Heavier loading leads to an increase (2-to 3-fold) in trunk muscle activity with comparable patterns. Heavy loading (20 kg) leads to task failure, especially in women with back pain.
KW  - Lifting
KW  - Core
KW  - Trunk
KW  - EMG
KW  - MISPEX
Y1  - 2016
U6  - https://doi.org/10.5312/wjo.v8.i2.142
SN  - 2218-5836
VL  - 8
IS  - 2
SP  - 142
EP  - 148
PB  - Baishideng Publishing Group
CY  - Pleasanton
ER  -