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Vertical Ground Reaction Forces are Associated with Pain and Self-Reported Functional Status in Recreational Athletes with Patellofemoral Pain

Danilo de Oliveira Silva, Ronaldo Briani, Marcella Pazzinatto, Deisi Ferrari, Fernando Aragão, and Fábio de Azevedo

Individuals with patellofemoral pain (PFP) use different motor strategies during unipodal support in stair climbing activities, which may be assessed by vertical ground reaction force parameters. Thus, the aims of this study were to investigate possible differences in first peak, valley, second peak, and loading rate between recreational female athletes with PFP and pain-free athletes during stair climbing in order to determine the association and prediction capability between these parameters, pain level, and functional status in females with PFP. Thirty-one recreational female athletes with PFP and 31 pain-free recreational female athletes were evaluated with three-dimensional kinetics while performing stair climbing to obtain vertical ground reaction force parameters. A visual analog scale was used to evaluate the usual knee pain. The anterior knee pain scale was used to evaluate knee functional score. First peak and loading rate were associated with pain (r = .46, P = .008; r = .56, P = .001, respectively) and functional limitation (r = .31, P = .049; r = −.36, P = .032, respectively). Forced entry regression revealed the first peak was a significant predictor of pain (36.5%) and functional limitation (28.7%). Our findings suggest that rehabilitation strategies aimed at correcting altered vertical ground reaction force may improve usual knee pain level and self-reported knee function in females with PFP.

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Acute Effect of Brace Use on Upper-Extremity Functionality in Adolescent Individuals With Idiopathic Scoliosis: A Cross-Sectional Study

Kamil Yilmaz, Fatih Celik, and Bayram Sonmez Unuvar

et al., 1998 ). This alters the postural awareness of the individual ( Bruyneel et al., 2008 ). Postural control plays an important role in the orientation and stability of the body, and the functional status contributes to the formation of the postural system ( Raats et al., 2022 ). Coordinated core

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Exercise Performance, Functional Status, and Hemodynamic Assessment of Elderly Patients with Intermittent Claudication

Michael R.M. McGuigan, Roger Bronks, Robert U. Newton, John C. Graham, and David V. Cody

Peripheral arterial disease (PAD) is associated with impaired lower extremity function. This study investigated differences in PAD and control participants and the relationship between lower limb strength and clinical measures of PAD severity. Participants were evaluated by 6-min-walk distance, normal and maximal walking speed over 10 m, isometric plantar-flexion strength, and dynamic dorsi-/plantar-flexion strength. Hemodynamic measures of the lower limbs were recorded at rest and after maximal treadmill testing. PAD participants walked significantly less far during the 6-min walk, and there were large differences in normal and maximal walking speeds. Small to moderate differences were found for isometric plantar-flexion strength. In the diseased legs of the PAD participants, resting systolic hallux photoplethysmography was significantly correlated with isokinetic plantar-flexion strength and onset of claudication pain during the 6-min-walk test. In addition to confirming the documented loss of walking endurance, these data suggest that loss of strength of the plantar flexors is associated with increasing PAD impairment.

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Physical Activity Intervention Effects on Physical Function Among Community-Dwelling Older Adults: A Systematic Review and Meta-Analysis

Jo-Ana D. Chase, Lorraine J. Phillips, and Marybeth Brown

The purpose of this systematic review and meta-analysis was to determine the effects of supervised resistance and/or aerobic training physical activity interventions on performance-based measures of physical functioning among community-dwelling older adults, and to identify factors impacting intervention effectiveness. Diverse search strategies were used to identify eligible studies. Standardized mean difference effect sizes (d, ES) were synthesized using a random effects model. Moderator analyses were conducted using subgroup analyses and meta-regression. Twenty-eight studies were included. Moderator analyses were limited by inconsistent reporting of sample and intervention characteristics. The overall mean ES was 0.45 (k = 38, p ≤ .01), representing a clinically meaningful reduction of 0.92 s in the Timed Up and Go for treatment versus control. More minutes per week (p < .01) and longer intervention session duration (p < .01) were associated with larger effects. Interventions were especially effective among frail participants (d = 1.09). Future research should clearly describe sample and intervention characteristics and incorporate frail populations.

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Self-Report Functional-Outcome Measures in Athletic Therapy

Efan Gonsalves

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PNF Training and Physical Function in Assisted-Living Older Adults

Diane Austrin Klein, William J. Stone, Wayne T. Phillips, Jaime Gangi, and Sarah Hartman

The impact of proprioceptive neuromuscular facilitation (PNF) on physical function in assisted-living older adults (73-94 years old) was studied. A 5-week pretraining period consisting of weekly visits by trainers to participants preceded a 10-week training period of warm-up, PNF exercises, and cool-down. Training progressed from 1 set of 3 repetitions to 3 sets of 3 repetitions. Assessments were conducted at baseline (T1), postpretraining (T2), and posttraining (T3). Eleven of 14 volunteer participants completed the study. Physical function was assessed by range of motion (ROM), isometric strength, and balance and mobility measures. Repeated-measures ANOVA identified 6 measures (sit-to-stand, shoulder- and ankle-flexion ROM, and hip-extension, ankle-flexion, and ankle-extension strength) with statistically significant differences. With the exception of hip-extension strength, these measures were statistically significant from T2 to T3 in post hoc univariate tests. Results indicate that PNF flexibility training can improve ROM, isometric strength, and selected physical-function tasks in assisted-living older adults.

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Antigravity Treadmill in Rehabilitation After Hip Labral Repair Arthroscopy

Brandon M. DeSantis, Victor R. Kalman, and Steven Browne

Key Points ▸ There is no consistency in the literature regarding Alter-G use. ▸ Consider the Alter-G as a bridge between “no running” and “on-ground running.” ▸ This case report shows that functional status may improve with Alter-G use. ▸ Further research needs to be done to advance posthip

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Physical Activity, Function, and Mortality in Advanced Age: A Longitudinal Follow-Up (LiLACS NZ)

Casey Mace Firebaugh, Simon Moyes, Santosh Jatrana, Anna Rolleston, and Ngaire Kerse

change in the association between physical activity and mortality in advanced age. This article aims to specifically examine the relationship between physical activity, functional status, and mortality over time in advanced age (those aged 80 years and older). The terms “function,” “functional status

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Effects of Structured Exercise Interventions for Older Adults Hospitalized With Acute Medical Illness: A Systematic Review

Frances A. Kanach, Amy M. Pastva, Katherine S. Hall, Juliessa M. Pavon, and Miriam C. Morey

/community-based interventions. This review examined effects of structured exercise (defined as aerobic walking, with or without complementary modes of exercise) on performance measures, mobility, functional status, healthcare utilization, and quality of life in older adults hospitalized for acute medical illness. Specific

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Factors Related to Physical Activity in Adults With Intellectual Disabilities in Group Home Settings: A Systematic Literature Review

Paige Laxton, Freda Patterson, and Sean Healy

male   Robertson et al. ( 2000 )  Being employed Dixon-Ibarra et al. ( 2017 ) and Powers et al. ( 2021 ) Dixon-Ibarra et al. ( 2017 )  Personal financial constraint   Dixon-Ibarra et al. ( 2017 ) and Messent et al. ( 1999 ) Intrapersonal factors   Health and functional status   Obesity   Caton et