The effects of gluteus medius and tibialis anterior kinesio taping on postural control, knee kinematics, and knee proprioception in female athletes with dynamic knee valgus

2021 ◽  
Author(s):  
Farzaneh Saki ◽  
Hosnieh Romiani ◽  
Marziyeh Ziya ◽  
Naghmeh Gheidi
Keyword(s):  
Postural Control ◽  
Tibialis Anterior ◽  
Female Athletes ◽  
Knee Kinematics ◽  
Gluteus Medius ◽  
Knee Valgus ◽  
Kinesio Taping ◽  
Control Knee

scholarly journals Bottom-Up Kinetic Chain in Drop Landing among University Athletes with Normal Dynamic Knee Valgus

2020 ◽  
Vol 17 (12) ◽  
pp. 4418 ◽  
Author(s):  
Nazatul Izzati Jamaludin ◽  
Farhah Nadhirah Aiman Sahabuddin ◽  
Raja Khairul Mustaqim Raja Ahmad Najib ◽  
Muhamad Lutfi Hanif Shamshul Bahari ◽  
Shazlin Shaharudin
Keyword(s):  
Female Athletes ◽  
Weight Bearing ◽  
Reaction Force ◽  
Knee Kinematics ◽  
Initial Contact ◽  
Knee Valgus ◽  
Normal Range ◽  
Drop Landing ◽  
Ankle Strength ◽  
University Athletes

The study investigated the influence of ankle strength and its range of motion (ROM) on knee kinematics during drop landing. Fifteen male and fifteen female university athletes with a normal range of dynamic knee valgus (DKV) (knee frontal plane projection angle: men = 3° to 8°, females = 7° to 13°) were recruited. They performed drop landing at height 30 cm and 45 cm with three-dimensional motion capture and analysis. Knee angles were compared at specific landing phases. Isokinetic ankle strength was tested at 60°/s angular velocity while the weight-bearing lunge test was conducted to evaluate ankle ROM. For males, strength for both plantarflexors and dorsiflexors were associated with knee kinematics at both heights (30 cm: r = −0.50, p = 0.03; 45 cm: r = −0.45, p = 0.05) during maximum vertical ground reaction force (MVGRF) phase. For females, ankle invertor strength and knee kinematics were associated at both 30cm (r = 0.53; p = 0.02,) and 45 cm landing heights (r = 0.49, p = 0.03), while plantarflexor strength and knee kinematics showed a significant association during initial contact (r = 0.70, p < 0.01) and MVGRF (r = 0.55, p = 0.02) phases at height 30 cm only. Male and female athletes with normal range of DKV showed a significant relationship between ankle strength and knee kinematics at specific landing phases. These relationships varied with increased landing height.

scholarly journals The Effects of a Compression Garment on Lower Body Kinematics and Kinetics During a Drop Vertical Jump in Female Collegiate Athletes

2018 ◽  
Vol 6 (8) ◽  
pp. 232596711878995 ◽  
Author(s):  
Jacobo Zamporri ◽  
Arnel Aguinaldo
Keyword(s):  
Female Athletes ◽  
Vertical Jump ◽  
Knee Kinematics ◽  
Collegiate Athletes ◽  
Knee Valgus ◽  
Compression Garment ◽  
Compression Garments ◽  
Female Collegiate Athletes ◽  
Hip Abduction ◽  
Kinematics And Kinetics

Background: The use of compression garments has spread rapidly among athletes, largely because of marketing and perceived benefits. Upon review, it is unclear whether compression garments have a significant effect on performance and recovery, although they have been found to enhance proprioception. Further, it is reported that compression of the knee joint improves both dynamic and static balance. However, there is currently a paucity of data demonstrating the effects of compression garments on the biomechanical risk factors of knee-related injuries in female athletes. Purpose: To evaluate the ability of a directional compression garment to alter hip and knee kinematics and kinetics during a drop vertical jump (DVJ) in healthy college-aged female athletes. Study Design: Controlled laboratory study. Methods: A sample of 23 healthy female collegiate athletes (mean age, 19.6 ± 1.3 years) participating in jumping sports (volleyball, basketball, and soccer) was included in this analysis. Each athlete performed 2 sets of 3 DVJs with and without a directional compression garment. Three-dimensional hip and knee kinematics and kinetics were collected using a standard Helen-Hayes 29-marker set, which was removed and reapplied after the garment was fitted, as well as 8 visible-red cameras and 2 force platforms. Each participant was tested in a single session. Results: Hip abduction range of motion was significantly reduced from 12.6° ± 5.5° to 10.2° ± 4.6° ( P = .002) while performing DVJs without and with the compression garment, respectively. No statistically significant differences between conditions were found in peak hip abduction, knee valgus range of motion, peak valgus, peak hip abduction moment, and peak knee valgus moment. Conclusion: The results of this study show that wearing compression garments does have minimal effects on lower body mechanics during landing from a DVJ, partially supporting the idea that compression garments could acutely alter movement patterns associated with the knee injury risk. However, further research should focus on muscle activation patterns and adaptations over time. Clinical Relevance: The use of specifically designed compression garments could aid in the prevention of knee injuries by inducing changes in jumping mechanics.

Hip and ankle strength and range of motion in female soccer players with dynamic knee valgus

2021 ◽  
pp. 1-6
Author(s):  
Young Jin Jo ◽  
Young Kyun Kim
Keyword(s):  
Range Of Motion ◽  
Female Athletes ◽  
External Rotation ◽  
Preventive Measure ◽  
Control Group ◽  
Knee Valgus ◽  
Strength Ratio ◽  
Flexion Extension ◽  
Hip Abduction ◽  
Single Leg Squat

BACKGROUND: Dynamic knee valgus (DKV) is a known risk factor for acute and chronic knee injuries and is more frequently diagnosed in females. A real-time single-leg squat test (SLST) could screen for DKV to prevent injuries. OBJECTIVE: To compare the differences in lower extremity strength and range of motion (ROM) in female soccer athletes with and without DKV during an SLST. METHODS: Eighteen subjects with DKV (DKV group) and 18 subjects without DKV (control group) during a single-leg squat were included. Hip strength (flexion, extension, abduction, adduction, internal rotation, and external rotation) was measured with a hand-held dynamometer. Hip ROM (internal and external rotation), and ankle ROM (dorsiflexion with the knee flexed and extended) were measured. Independent t-test was used to compare the averages of the groups. RESULTS: There were significant differences in hip abduction to adduction strength ratio (DKV: 1.48 ± 0.3, control: 1.22 ± 0.26, p< 0.01) and ankle dorsiflexion with knee flexed (DKV: 17.22 ± 6.82, control: 21.22 ± 4.55, p< 0.05) and extended (DKV: 10.14 ± 4.23, control: 14.75 ± 3.40, p< 0.001) between the groups. CONCLUSION: The hip abduction to adduction strength ratio and gastrocnemius and soleus flexibility may be associated factors in dynamic knee valgus and therefore should be assessed and treated, if indicated, as a possible preventive measure in female athletes with this variation.

Preliminary Evaluation of Knee Kinetics in Female Athletes on Hormonal Contraceptives

2019 ◽  
Vol 41 (02) ◽  
pp. 113-118
Author(s):  
Gabrielle Gilmer ◽  
Gretchen D. Oliver
Keyword(s):  
Injury Risk ◽  
Female Athletes ◽  
Cruciate Ligament ◽  
Reaction Force ◽  
Acl Injury ◽  
Hormonal Contraceptives ◽  
Preliminary Evaluation ◽  
Knee Valgus ◽  
Time Points ◽  
Acl Injury Risk

AbstractRecently, an emphasis has been placed on understanding how ovarian sex hormones and hormonal contraceptives affect risk for anterior cruciate ligament (ACL) injury. The literature presents large discrepancies in whether or not hormonal contraceptives affect ACL injury risk; therefore, the purpose of this study was to evaluate whether vertical ground reaction force (GRF) and knee valgus force are different between athletes who do and do not use hormonal contraceptives. Twenty-two female athletes volunteered to participate and were divided into two groups based on their answers to a health history questionnaire: those who use hormonal contraceptives and those who do not. Participants performed a drop vertical jump (DVJ) and single leg crossover dropdown (SCD) at two different time points in their menstrual cycle (pre-ovulatory phase and mid-luteal phase). Kinetic data were collected at 1000 Hz. Independent samples t-tests revealed no significant differences between groups in vertical GRF and knee valgus force at both time points. Findings from this study suggest that hormonal contraceptives do not elicit detectable changes in vertical GRF and knee valgus force. Ultimately, this calls for further studies on the relationship between hormones and ACL injury risk and physicians to consider hormonal screening in addition to neuromuscular and biomechanical screening.

What Is the Influence of Cambered Running Surface on Lower Extremity Muscle Activity?

2013 ◽  
Vol 29 (4) ◽  
pp. 421-427 ◽  
Author(s):  
Birgit Unfried ◽  
Arnel Aguinaldo ◽  
Daniel Cipriani
Keyword(s):  
Lower Extremity ◽  
Muscle Activity ◽  
Tibialis Anterior ◽  
Gluteus Medius ◽  
Biceps Femoris ◽  
Road Surface ◽  
Vastus Medialis ◽  
Lateral Gastrocnemius ◽  
Lower Extremity Muscle ◽  
Fitness Sport

Running on a road for fitness, sport, or recreation poses unique challenges to the runner, one of which is the camber of the surface. Few studies have examined the effects of camber on running, namely, kinematic studies of the knee and ankle. There is currently no information available regarding muscle response to running on a cambered road surface. The purpose of this study was to investigate the effects of a cambered road on lower extremity muscle activity, as measured by electromyography in recreational runners. In addition, this study examined a true outdoor road surface, as opposed to a treadmill surface. The mean muscle activity of the tibialis anterior, lateral gastrocnemius, vastus medialis oblique, biceps femoris, and gluteus medius were studied. Fifteen runners completed multiple running trials on cambered and level surfaces. During the stance phase, mean activities of tibialis anterior, lateral gastrocnemius, and vastus medialis oblique were greater on the gutter side than the crown side. There were no differences in mean muscle activity during the swing phase. The findings of this study suggest that running on a road camber alters the activity of select lower extremity muscles possibly in response to lower extremity compensations to the cambered condition.

The Effects of Sex, Limb Dominance, and Soccer Participation on Knee Proprioception and Dynamic Postural Control

2016 ◽  
Vol 25 (1) ◽  
pp. 31-39 ◽  
Author(s):  
Mutlu Cug ◽  
Erik A. Wikstrom ◽  
Bahman Golshaei ◽  
Sadettin Kirazci
Keyword(s):  
Postural Control ◽  
Female Athletes ◽  
Outcome Measure ◽  
Constant Error ◽  
Position Sense ◽  
Joint Position Sense ◽  
Soccer Players ◽  
Joint Position ◽  
Main Outcome Measure ◽  
Limb Dominance

Context:Both female athletes’ participation in soccer and associated injuries have greatly increased in recent years. One issue is the 2–9 times greater incidence of noncontact anterior cruciate ligament (ACL) injuries in female athletes relative to male athletes in comparable sports. Several factors such as limb dominance and sporting history have been proposed to play a role in ACL incidence rates between male and female athletes. However, evidence about the effects of these factors and how they interact with sex is mixed, and thus no consensus exists.Objective:To quantify the effects of sports participation, limb dominance, and sex on dynamic postural control and knee-joint proprioception.Design:Cross-sectional study.Setting:University research laboratory.Participants:19 male soccer players, 17 female soccer players, 19 sedentary men, and 18 sedentary women.Intervention:Joint-position sense was tested using reproduction of passive positioning on a Biodex isokinetic dynamometer (30°, 45°, and 60° from 90° of knee flexion). Three Star Excursion Balance Test directions were used to assess dynamic postural control.Main Outcome Measure:Normalized reach distance (% of leg length) in the anterior, posteromedial, and posterolateral directions on each leg quantified dynamic postural control. Average absolute error and constant error for both limbs quantified joint-position sense.Results:Posteromedial reach distance was significantly better in soccer players than sedentary individuals (P = .006). Anterior reach distance was significantly better (P = .04) in sedentary individuals than soccer players. No limb-dominance or sex differences were identified for dynamic postural control, and no differences in absolute- or constant-error scores were identified.Conclusion:Sporting history has a direction-specific impact on dynamic postural control. Sporting history, sex, and limb dominance do not influence knee-joint proprioception when tested in an open kinetic chain using passive repositioning.

Knee Valgus during Drop Jumps in National Collegiate Athletic Association Division I Female Athletes

2007 ◽  
Vol 36 (2) ◽  
pp. 285-289 ◽  
Author(s):  
Michael Joseph ◽  
David Tiberio ◽  
Jennifer L. Baird ◽  
Thomas H. Trojian ◽  
Jeffrey M. Anderson ◽  
...  
Keyword(s):  
National Collegiate Athletic Association ◽  
Female Athletes ◽  
Cruciate Ligament ◽  
Division I ◽  
Ligament Injury ◽  
Initial Contact ◽  
Knee Valgus ◽  
Drop Jump ◽  
Maximum Angle ◽  
Anterior Cruciate

Background Female athletes land from a jump with greater knee valgus and ankle pronation/eversion. Excessive valgus and pronation have been linked to risk of anterior cruciate ligament injury. A medially posted orthosis decreases component motions of knee valgus such as foot pronation/eversion and tibial internal rotation. Hypothesis We hypothesized a medial post would decrease knee valgus and ankle pronation/eversion during drop-jump landings in NCAA-I female athletes. Study Design Controlled laboratory study. Methods Knee and ankle 3-dimensional kinematics were measured using high-speed motion capture in 10 National Collegiate Athletic Association Division I female athletes during a drop-jump landing with and without a medial post. Analysis of variance was used to determine differences in posting condition, t tests were used to determine dominant-nondominant differences, and the Pearson correlation coefficient was used to determine relationships between variables. Results Significant differences were found for all measures in the posted condition. A medial post decreased knee valgus at initial contact (1.24°, P< .01) and maximum angle (1.21 °, P< .01). The post also decreased ankle pronation/eversion at initial contact (0.77°, P < .01) and maximum angle (0.95°, P = .039). Conclusion The authors have demonstrated a significant decrease in knee valgus and ankle pronation/eversion during a drop jump with a medial post placed in the athletes’ shoes. Clinical Relevance A medial post may be a potential means to decrease risk of anterior cruciate ligament injury.

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