Original articles

461 Sex and Age Effects on Outcomes of Total Hip Arthroplasty After Inpatient Rehabilitation
Heather K. Vincent, PhD, Alan P. Alfano, MD, Laura Lee, MD, Kevin R. Vincent, MD, PhD
468 Expiratory Muscle Strength Training in Persons With Multiple Sclerosis Having Mild to Moderate Disability: Effect on Maximal Expiratory Pressure, Pulmonary Function, and Maximal Voluntary Cough
Toni Chiara, PhD, PT, A. Daniel Martin, PhD, PT, Paul W. Davenport, PhD, Donald C. Bolser, PhD
474 Rapid Vascular Adaptations to Training and Detraining in Persons With Spinal Cord Injury
Dick H. Thijssen, MSc, Reinier Ellenkamp, MSc, Paul Smits, MD, PhD, Maria T. Hopman, MD, PhD
482 Oxygen Consumption During Machine-Assisted and Unassisted Walking: A Pilot Study in Hemiplegic and Healthy Humans
Delphine David, BSc(PT), Jean-Philippe Regnaux, BSc(PT), Michèle Lejaille, AAS, Alain Louis, AAS, Bernard Bussel, MD, Frédéric Lofaso, MD, PhD
490 Bilateral Sensorimotor Abnormalities in Unilateral Lateral Epicondylalgia
Leanne M. Bisset, MPhty, Trevor Russell, PhD, Stephen Bradley, MPhty, Bernadette Ha, MPhty, Bill T. Vicenzino, PhD
496 An Observational Electromyography Study of the Effect of Trunk Flexion in Low-Velocity Frontal Whiplash-Type Impacts
Shrawan Kumar, PhD, FRS(C), Robert Ferrari, MD, FRCPC, FACP, Yogesh Narayan, BSc, PEng
504 Effect of Different Sitting Postures on Lung Capacity, Expiratory Flow, and Lumbar Lordosis
Fang Lin, DSc, Sriranjani Parthasarathy, BS, Susan J. Taylor, OT/L, Deborah Pucci, MPT, Ronald W. Hendrix, MD, Mohsen Makhsous, PhD
510 The Effect of Visual Biofeedback on the Propulsion Effectiveness of Experienced Wheelchair Users
Brian R. Kotajarvi, PT, Jeffrey R. Basford, MD, PhD, Kai-Nan An, PhD, Duane A. Morrow, MS, Kenton R. Kaufman, PhD
516 Internal Consistency, Stability, and Validity of the Spinal Cord Injury Version of the Multidimensional Pain Inventory
Eva G. Widerström-Noga, DDS, PhD, Yenisel Cruz-Almeida, MSPH, Alberto Martinez-Arizala, MD, Dennis C. Turk, PhD
524 Role of Creatinine Clearance as a Screening Test in Persons With Spinal Cord Injury
Farhad Sepahpanah, MD, Stephen P. Burns, MD, Barbara McKnight, PhD, Claire C. Yang, MD
529 Does Therapeutic Facilitation Add to Locomotor Outcome of Body Weight–Supported Treadmill Training in Nonambulatory Patients With Stroke? A Randomized Controlled Trial
Hajime Yagura, MD, PhD, Megumi Hatakenaka, MD, Ichiro Miyai, MD, PhD
536 Neuromuscular Electric Stimulation Effect on Lower-Extremity Motor Recovery and Gait Kinematics of Patients With Stroke: A Randomized Controlled Trial
Gunes Yavuzer, MD, Duygu Geler-Külcü, MD, Birkan Sonel-Tur, MD, Sehim Kutlay, MD, Süreyya Ergin, MD, Henk J. Stam, MD, PhD
541 Gait Characteristics in Nondisabled Community-Residing Nonagenarians
Mahesh Krishnamurthy, MD, Joe Verghese, MD, MS
546 Standing Balance After Vestibular Stimulation in Tai Chi–Practicing and Nonpracticing Healthy Older Adults
William W. Tsang, PhD, Christina W. Hui-Chan, PhD
554 The Association of Balance Capacity and Falls Self-Efficacy With History of Falling in Community-Dwelling People With Chronic Stroke
Beliz Belgen, PT, MS, Marianne Beninato, DPT, PhD, Patricia E. Sullivan, DPT, PhD, Khushnum Narielwalla, PT, MS
562 The Relation Between Ankle Impairments and Gait Velocity and Symmetry in People With Stroke
Pei-Yi Lin, MS, PT, Yea-Ru Yang, PhD, PT, Shih-Jung Cheng, MD, Ray-Yau Wang, PhD, PT
569 Detection of Gait Instability Using the Center of Mass and Center of Pressure Inclination Angles
Heng-Ju Lee, MS, Li-Shan Chou, PhD
576 Reliability of the Assessment of Lumbar Range of Motion and Maximal Isometric Strength
Nathalie Roussel, MT, PT, Jo Nijs, PhD, MSc, Steven Truijen, PhD, Sara Breugelmans, PT, Inneke Claes, PT, Gaëtane Stassijns, MD, PhD