Effects of Performing an Abdominal Drawing-in Maneuver During Prone Hip Extension Exercises on Hip and Back Extensor Muscle Activity and Amount of Anterior Pelvic Tilt

Abstract Shortened hamstrings are likely to restrict the anterior pelvic tilt and induce a slumped posture due to the posterior pelvic tilt. This study was conducted to compare the effects of proprioceptive neuromuscular facilitation (PNF) stretching and modified anterior pelvic tilt taping (APTT) on hamstring shortness-associated pelvic compensation while executing seated double-knee extension. Male college students (28 healthy young adults; mean age: 21.4 ± 2.1 years) with hamstring shortness were recruited as study subjects and randomly assigned to either the PNF stretching group (control group) or the APTT group (experimental group). In all the subjects, changes in the movement distance of the centre of gluteal pressure (COGP) as well as rectus abdominis (RA) and semitendinosus (SEM) muscle activities were measured during seated double-knee extension while the respective intervention method was applied. Both groups showed significant decreases in COGP distance and RA muscle activity compared with their respective baseline values (p < 0.05), however, no significant changes were observed in SEM muscle activity. We can infer that not only a direct intervention on the hamstring, such as PNF stretching, but also a modified APTT-mediated pelvic intervention may be used as a method for reducing pelvic compensation induced by hamstring shortness.

Download Full-text

Age-Related Locomotion Characteristics in Association with Balance Function in Young, Middle-Aged, and Older Adults

Journal of Aging and Physical Activity ◽

10.1123/japa.2015-0325 ◽

2017 ◽

Vol 25 (2) ◽

pp. 247-253 ◽

Cited By ~ 4

Author(s):

Hwang-Jae Lee ◽

Won Hyuk Chang ◽

Sun Hee Hwang ◽

Byung-Ok Choi ◽

Gyu-Ha Ryu ◽

...

Keyword(s):

Older Adults ◽

Muscle Activity ◽

Muscle Activation ◽

Dynamic Balance ◽

Berg Balance Scale ◽

Extensor Muscle ◽

Balance Function ◽

3D Motion Analysis ◽

Age Related ◽

Back Extensor

The purpose of this study was to examine age-related gait characteristics and their associations with balance function in older adults. A total of 51 adult volunteers participated. All subjects underwent locomotion analysis using a 3D motion analysis and 12-channel dynamic electromyography system. Dynamic balance function was assessed by the Berg Balance Scale. Older adults showed a higher level of muscle activation than young adults, and there were significant positive correlations between increased age and activation of the trunk and thigh muscles in the stance and swing phase of the gait cycle. In particular, back extensor muscle activity was mostly correlated with the dynamic balance in older adults. Thus, back extensor muscle activity in walking may provide a clue for higher falling risk in older adults. This study demonstrates that the back extensor muscles play very important roles with potential for rehabilitation training to improve balance and gait in older adults.

Download Full-text

Effect of initial position on the muscle activity of the hip extensors and amount of pelvic tilt during prone hip extension

Journal of Physical Therapy Science ◽

10.1589/jpts.27.1195 ◽

2015 ◽

Vol 27 (4) ◽

pp. 1195-1197 ◽

Cited By ~ 2

Author(s):

Ji-Yeon Yoon ◽

Mi-Ra Lee ◽

Duk-Hyun An

Keyword(s):

Muscle Activity ◽

Pelvic Tilt ◽

Initial Position ◽

Hip Extension

Download Full-text

Relation of anterior pelvic tilt during running to clinical and kinematic measures of hip extension

British Journal of Sports Medicine ◽

10.1136/bjsm.34.4.279 ◽

2000 ◽

Vol 34 (4) ◽

pp. 279-283 ◽

Cited By ~ 47

Author(s):

A. G Schache

Keyword(s):

Pelvic Tilt ◽

Anterior Pelvic Tilt ◽

Kinematic Measures ◽

Hip Extension

Download Full-text

Effects of abdominal drawing-in maneuver with or without prior iliopsoas stretching on gluteus maximus activity during prone hip extension

Journal of Back and Musculoskeletal Rehabilitation ◽

10.3233/bmr-200251 ◽

2021 ◽

pp. 1-9

Author(s):

Kyu-Yong Park ◽

In-Cheol Jeon ◽

Ui-Jae Hwang ◽

Sung-Hoon Jung ◽

Sung-Min Ha ◽

...

Keyword(s):

Repeated Measures ◽

Motion Tracking ◽

Statistical Significance ◽

Gluteus Maximus ◽

Biceps Femoris ◽

Extensor Muscle ◽

Erector Spinae ◽

Before And After ◽

Hip Extension ◽

Back Extensor

BACKGROUND: Prone hip extension (PHE) has been investigated to strengthen the hip joint and back extensor muscles. However, it has not been compared with various PHE exercises in individuals with iliopsoas shortness. OBJECTIVE: This study compared pelvic compensation and hip and back extensor muscle activities in individuals with iliopsoas shortness during prone hip extension (PHE) using the abdominal drawing-in maneuver alone (PHEA) and after iliopsoas stretching (PHEAS). METHODS: Twenty-five individuals with iliopsoas shortness were included in the study. Electromyography was used to investigate bilateral erector spinae (ES) and ipsilateral gluteus maximus (GM), biceps femoris (BF), and semitendinosus (ST) muscles during PHE, PHEA, and PHEAS. Pelvic anterior tilting and rotation angles were measured during each PHE exercise via electromagnetic motion tracking. A modified Thomas test was used to examine the hip extension angle before and after iliopsoas stretching. One-way repeated-measures analysis of variance was used to investigate differences in pelvic anterior tilting and rotation angle and in hip and back extensor muscle activities among PHE, PHEA, and PHEAS. The level of statistical significance was set at α= 0.01. RESULTS: GM muscle activity was significantly greater with PHEAS, compared to PHE and PHEA (p< 0.01). Bilateral ES and ipsilateral BF and ST muscle activities were significantly reduced with PHEAS, compared to PHE and PHEA (p< 0.01). Anterior pelvic tilting and rotation angles were significantly reduced with PHEAS, compared to PHE and PHEA (p< 0.01). CONCLUSIONS: PHEAS is recommended to selectively strengthen GM muscles with minimal BF and ST muscle activities and pelvic compensation in individuals with iliopsoas shortness. The abdominal drawing-in maneuver (ADIM) after iliopsoas stretching is more efficient than ADIM alone during PHE, especially in individuals with iliopsoas shortness.

Download Full-text