Publications by authors named "Ahmed S A Youssef"

Article Synopsis
  • The study aimed to explore how muscle activity in various core muscles changes based on hip positions during back and side bridging exercises.
  • Thirty-six healthy participants performed six different exercises, and their muscle activity was measured using surface electromyography to analyze differences between hip positions.
  • Results indicated that the external and internal oblique muscles were predominantly active during back bridging with internal rotation, while multifidus and gluteus maximus were most active during back bridging with external rotation and side bridging with hip extension.
View Article and Find Full Text PDF

Background: Autism spectrum disorder (ASD) is one of the most complex neurodevelopmental disorders. It affects almost all human physiological systems. Individuals with ASD often display dysregulation in their autonomic nervous system (ANS), which may elicit differing effects across age groups.

View Article and Find Full Text PDF

Lumbar disc herniation associated with radiculopathy (LDHR) is among the most frequent causes of spine-related disorders. This condition is triggered by irritation of the nerve root caused by a herniated disc. Many non-surgical and surgical approaches are available for managing this prevalent disorder.

View Article and Find Full Text PDF

The aim of this study was to investigate the feasibility and effect of a multimodal program for the management of chronic nonspecific neck pain CNSNP with the addition of a 3D adjustable posture corrective orthotic (PCO), with a focus on patient recruitment and retention. This report describes a prospective, randomized controlled pilot study with twenty-four participants with CNSNP and definite 3D postural deviations who were randomly assigned to control and study groups. Both groups received the same multimodal program; additionally, the study group received a 3D PCO to perform mirror image® therapy for 20−30 min while the patient was walking on a treadmill 2−3 times per week for 10 weeks.

View Article and Find Full Text PDF
Article Synopsis
  • The study aimed to assess how effective various physical therapy methods are for treating patients with hemophilia based on the International Classification of Functioning, Disability, and Health (ICF) framework.
  • A systematic search of seven databases resulted in the inclusion of 35 randomized controlled trials involving 1,216 participants, with separate analyses for pediatric patients.
  • The findings indicated that manual therapy, laser therapy, and therapeutic exercises significantly improved outcomes related to body function, activity, and participation, suggesting these treatments are beneficial for hemophilia rehabilitation.
View Article and Find Full Text PDF

Background: There is currently no consensus on the optimal positions of the transverse corrective forces (TCFs) for scoliosis braces.

Objectives: This study aimed to explore an optimal scheme of placing paired TCF for S-shaped adolescent idiopathic scoliosis and its feasibility in Chêneau brace (CB) treatment.

Study Design: Cross-over feasibility pilot trial.

View Article and Find Full Text PDF

Context: Sagittal-plane cervical spine alignment has emerged as one of the most important clinical outcomes in health care. Nevertheless, the quantity and quality of research on the role that cervical sagittal alignment plays in improving sensorimotor and autonomic nervous functions are limited.

Objective: To investigate the immediate and long-term effects of cervical lordosis restoration and correction of anterior head translation (AHT) on pain, disability, autonomic nervous system function, and cervical sensorimotor control in athletes with chronic nonspecific neck pain.

View Article and Find Full Text PDF

Background: Spinal manipulative therapy is commonly used in the treatment of adolescent idiopathic scoliosis. Some therapists also rely on physiotherapeutic scoliosis-specific exercise (PSSE). Combining these two modalities seems reasonable, but the effectiveness of this combination has never been rigorously tested.

View Article and Find Full Text PDF

An asymmetrical, push-pull phthalocyanine bearing bulky -butylcarbazolyl moieties as electron donor and carboxylic acid as anchoring group was synthetized and tested as a photosensitizer in dye-sensitized solar cells (DSSC). The new photosensitizer was characterized by 1H and 13C NMR, UV-Vis and mass spectrometry. The bulky -butylcarbazolyl moieties avoid the aggregation of the phthalocyanine dye.

View Article and Find Full Text PDF

Phthalocyanines have interesting optoelectronic properties but typically suffer from aggregation in aqueous solution, which can limit their applicability, especially in photodynamic therapy. In this study, indium(III) phthalocyanine peripherally substituted with eight triazolyl-containing phenoxy groups (InOAc) and its water-soluble analogue (Q-InOAc) were synthesised and structurally characterised. Heavy metal effects, exerted by the central indium ion, on the photosensitising and photophysical properties (singlet oxygen quantum yield, singlet state lifetime and quantum yield, and triplet state lifetime) were investigated in both DMF and DO.

View Article and Find Full Text PDF

Background: Nonspecific neck pain (NSNP) is one of the most common musculoskeletal problems treated by orthopaedic physicians and physiotherapists. Posture has emerged as one of the major risk factors associated with NSNP, but most previous studies ignored correct posturing as an effective treatment. Therefore, one of the major challenges faced by clinicians is how to incorporate 3D posture findings into the treatment plane.

View Article and Find Full Text PDF

Stroke is the second leading cause of mortality worldwide and one of the main causes of adult disability. Many studies have suggested that combination therapies provide better outcomes in patients with stroke than monotherapies. The combination of botulinum-A toxin (BTX) injection with rehabilitation methods, such as modified constraint-induced movement therapy (BTX-mCIMT), has emerged as a highly promising intervention for promoting motor recovery after stroke.

View Article and Find Full Text PDF

Unlabelled: Backgroun/Methods: In attempt to develop new potent anti-tumor agents, a series of quinoxaline derivatives was designed and synthesized. The novel compounds were tested in vitro for their anti-proliferative activities against HePG-2, MCF-7 and HCT-116 cell lines. Additionally, DNA binding affinities as well as DNA-top II inhibitory activities of the synthesized compounds were investigated as potential mechanism for anticancer activity.

View Article and Find Full Text PDF

3-(1,3-diphenylpyrazol-4-yl-methylene)-5-aryl-2(3H)-furanones 2 were prepared and converted into a variety of heterocyclic systems of synthetic and biological importance. Benzylamine reacted with the furanones 2; the product was found to depend on the reaction conditions. Thus, at room temperature the open-chain N-benzylamides 3 were obtained, whereas under refluxing conditions the 2(3H)-pyrrolones were obtained.

View Article and Find Full Text PDF