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Outputs (21)

Sex differences in heel pad stiffness during a standing heel-rise task (2019)
Presentation / Conference
Ugbolue, U. C., Yates, E. L., Lam, W., Valentin, S., Baker, J. S., & Gu, Y. (2019, July). Sex differences in heel pad stiffness during a standing heel-rise task. Paper presented at International Society of Biomechanics / American Society of Biomechanics 2019 Conference (ISB/ASB 2019), Calgary, Canada

The mechanical properties of the calcaneal fat pad have been determined during plantarflexion using synchronised motion analysis and force plate systems. This study showed no significant differences in stiffness measurements between genders with resp... Read More about Sex differences in heel pad stiffness during a standing heel-rise task.

Leadership skills in the higher education sector: a study of University of the West of Scotland (2019)
Presentation / Conference
Harrison, C., Gilardi, M., Collins, S., Reilly, C., Valentin, S., Balaraman, P., & Papadopoulou, C. (2019, June). Leadership skills in the higher education sector: a study of University of the West of Scotland. Paper presented at UWS Annual Learning, Teaching and Research Conference 2019 - Bridging Boundaries: Connecting Learning, Teaching & Research (UWS LTR 2019), Lanarkshire

The dynamic environment of Higher Education (HE) driven by marketization and globalisation has led institutions to be more competitive in order to attract and retain students. This climate necessitates the need for effective leadership. Particularly... Read More about Leadership skills in the higher education sector: a study of University of the West of Scotland.

An electromyographic study on the effects of slope and distance constraints on forearm muscle activity during golf putting (2018)
Presentation / Conference
Finnie, K. P., Valentin, S., Gu, Y., Baker, J. S., & Ugbolue, U. C. (2018, July). An electromyographic study on the effects of slope and distance constraints on forearm muscle activity during golf putting. Paper presented at 8th World Conference of Biomechanics (WCB 2018), Dublin, Ireland

Introduction Golf mechanics incorporates specific coordinated movements of the body together with controlled low-velocity movements with precision to dictate performance [1]. Golf putting involves mainly upper body limb movement that has been likene... Read More about An electromyographic study on the effects of slope and distance constraints on forearm muscle activity during golf putting.

Age does not influence erector spinae muscle activity during treadmill walking and running in healthy adults (2018)
Presentation / Conference
Valentin, S., & Licka, T. (2018, July). Age does not influence erector spinae muscle activity during treadmill walking and running in healthy adults. Paper presented at 8th World Conference of Biomechanics (WCB 2018), Dublin, Ireland

Introduction Changes in motor control patterns [1] and muscle synergies [2] are known to occur with ageing. Although the activation of trunk musculature during walking and running has been evaluated previously [3], the effect of ageing on muscle act... Read More about Age does not influence erector spinae muscle activity during treadmill walking and running in healthy adults.

Comparative study on equine and ovine gluteus medius muscle activity pattern during treadmill trot (2017)
Presentation / Conference
Zsoldos, R., Voegele, A., Valentin, S., Weber, A., & Licka, T. (2017, January). Comparative study on equine and ovine gluteus medius muscle activity pattern during treadmill trot. Poster presented at Annual Meeting of the Society for Integrative and Comparative Biology 2017 (SICB Annual Meeting 2017), New Orleans, United States

From a dynamic perspective, terrestrial mammals of very different sizes move in a similar way as they have very similar Froude numbers, even though the dynamic properties of the tissues such as muscle do not change with the different sizes. In the pr... Read More about Comparative study on equine and ovine gluteus medius muscle activity pattern during treadmill trot.

Subcutaneous fat thickness is not correlated to the magnitude of measurable trunk muscle activity in surface EMG of normal weight healthy adults (2015)
Presentation / Conference
Valentin, S., Elliott, J., & Licka, T. (2015, July). Subcutaneous fat thickness is not correlated to the magnitude of measurable trunk muscle activity in surface EMG of normal weight healthy adults. Paper presented at XXV Congress of the International Society of Biomechanics (ISB 2015 Glasgow), Glasgow

Introduction and Objectives: Surface Electromyography (sEMG) is a non-invasive tool from which muscle activation parameters can be investigated during a variety of static and dynamic conditions. However, subcutaneous fat overlying a muscle of interes... Read More about Subcutaneous fat thickness is not correlated to the magnitude of measurable trunk muscle activity in surface EMG of normal weight healthy adults.

Active trunk exercises require more muscle activity in mature than in young adults (2015)
Presentation / Conference
Valentin, S., & Licka, T. (2015, July). Active trunk exercises require more muscle activity in mature than in young adults. Paper presented at XXV Congress of the International Society of Biomechanics (ISB 2015 Glasgow), Glasgow

Introduction and Objectives: Reductions in muscle strength [1], changes in motor control patterns [2] and muscle morphology [3] are known to occur with ageing. However, the effect of age on trunk muscle activity during active trunk exercises has not... Read More about Active trunk exercises require more muscle activity in mature than in young adults.

Movement control during active spinal range of motion is achieved by a differential use of eccentric and concentric muscle activity (2015)
Presentation / Conference
Valentin, S., & Licka, T. (2015, July). Movement control during active spinal range of motion is achieved by a differential use of eccentric and concentric muscle activity. Paper presented at XXV Congress of the International Society of Biomechanics (ISB 2015 Glasgow), Glasgow

Introduction and Objectives: Neuromuscular control of the rectus abdominis (RA), obliquus internus (OI), obliquus externus (OE), and erector spinae (ES) muscles has been widely investigated during a range of conditions such as perturbations [1], stab... Read More about Movement control during active spinal range of motion is achieved by a differential use of eccentric and concentric muscle activity.

Concentric and eccentric muscle activity of erector spinae are not correlated during full range flexion-extension (2014)
Presentation / Conference
Valentin, S., & Licka, T. (2014, July). Concentric and eccentric muscle activity of erector spinae are not correlated during full range flexion-extension. Paper presented at XX Congress of the International Society of Electrophysiology and Kinesiology (ISEK 2014), Rome, Italy

AIM: To investigate erector spinae muscle activity in healthy young and mature females relative to trunk movement in forward flexion at stance METHODS: In ten female participants (young 18-25yrs, n=5; mature 45-60yrs, n=5) left and right erector spi... Read More about Concentric and eccentric muscle activity of erector spinae are not correlated during full range flexion-extension.

Rectus abdominis activity decreases relative to erector spinae with maturity despite similar muscle volumes and lumbar posture at stance (2014)
Presentation / Conference
Valentin, S., Elliott, J., & Licka, T. (2014, July). Rectus abdominis activity decreases relative to erector spinae with maturity despite similar muscle volumes and lumbar posture at stance. Paper presented at XX Congress of the International Society of Electrophysiology and Kinesiology (ISEK 2014), Rome, Italy

AIM: To compare trunk muscle volume, muscle activity and lumbar spine posture in young and mature participants without low back pain. METHODS: Twenty-four participants were allocated to a young group (YG: age 18-25yrs, n=12) or mature group (MG: age... Read More about Rectus abdominis activity decreases relative to erector spinae with maturity despite similar muscle volumes and lumbar posture at stance.

Lumbar flexor-extensor ratio does not change with age despite a reduction in multifidus volume (2013)
Presentation / Conference
Valentin, S., Elliott, J., & Licka, T. (2013, October). Lumbar flexor-extensor ratio does not change with age despite a reduction in multifidus volume. Paper presented at Eurospine Annual Meeting 2013, Liverpool

Introduction: Trunk musculature is an important contributor to spinal stability. In a healthy population, ageing leads to generalised muscle volume loss. Whilst the benefits of synergistic muscle activity for a supported spine are well reported, age-... Read More about Lumbar flexor-extensor ratio does not change with age despite a reduction in multifidus volume.

Internal and external oblique muscles are similar in their phasic activity during walking and running (2013)
Presentation / Conference
Valentin, S., Treppler, M., & Licka, T. (2013, August). Internal and external oblique muscles are similar in their phasic activity during walking and running. Paper presented at XXIV Congress of the International Society of Biomechanics : XV Brazilian Congress of Biomechanics (ISB 2013 Brazil), Natal, Brazil

Human gait has been extensively investigated, althoughless is reported about trunk muscle activation during gait.The study aim was to determine internal oblique (IO) andexternal oblique (EO) muscle activity during walking andrunning, using a quartile... Read More about Internal and external oblique muscles are similar in their phasic activity during walking and running.

Variability of trunk muscle co-activation during repeated thoracolumbar flexion in 4-point kneeling (2013)
Presentation / Conference
Valentin, S., Tobner, K., & Licka, T. (2013, August). Variability of trunk muscle co-activation during repeated thoracolumbar flexion in 4-point kneeling. Paper presented at XXIV Congress of the International Society of Biomechanics : XV Brazilian Congress of Biomechanics (ISB 2013 Brazil), Natal, Brazil

The aim of this study was to evaluate intra and interparticipant variability of trunk muscle co-activation during thoracolumbar flexion in 4-point kneeling. Kinematic data were collected using 10 high speed cameras to identify reflective marker movem... Read More about Variability of trunk muscle co-activation during repeated thoracolumbar flexion in 4-point kneeling.

Trunk muscle activity is independent of angle achieved in posterior pelvic tilt (2013)
Presentation / Conference
Grill, K., Valentin, S., & Licka, T. (2013, August). Trunk muscle activity is independent of angle achieved in posterior pelvic tilt. Paper presented at XXIV Congress of the International Society of Biomechanics : XV Brazilian Congress of Biomechanics (ISB 2013 Brazil), Natal, Brazil

Posterior pelvic tilt (PPT) exercises are frequently used in back rehabilitation, although the immediate effect of PPT in people not educated in this exercise is unknown. This study evaluated the effect of PPT in healthy participants on pelvic angle... Read More about Trunk muscle activity is independent of angle achieved in posterior pelvic tilt.