Comparison of Muscle Energy Technique vs Static Stretch in Vertical Jump of Basketball and Volleyball Player
Immediate Effects of Post-isometric Relaxation and Static Stretching on Quadriceps Muscle During Vertical Jump in Volley Ball and Basketball Players
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
Vertical jump is defined as the ability of athlete to elevate off the ground from standstill.There are two types of vertical jump which re squat vertical jump and vertical stop jump. There was a strong correlation between maximal strength in half squats and sprint performance and jumping height.
Muscle energy technique(METS) is the procedure which involves voluntary contraction of muscle in specific direction with different angles against a counterforce applied by clincian.METS is used to enhance strength of group of muscle, increase afferent input to facilitate reflexive stabilization and increase endurance in coordinated movement patterns.
Athletes perform dynamic stretching before sports involvement. Study shows that three 30 seconds stretch enhance muscle length immediatley after stretching.
A study conducted in 2003 to see the effects of muscle energy technique on hamstring extensibility, the conclusion of this study that muscle energy technique produced an immediate increase in passive knee extension.
A study conducted on immediate effect of two muscle energy techniques on quadriceps muscle during vertical jump. The study suggests concentric muscle energy technique on quadriceps muscle is the most appropriate technique to potentiate height jump performance and stretch-shorten cycle function in counter-movement jump.
Athletes ususully perfrom stretching exercises in warm up before involvement to sports.Study suggest that dynamic stretching is more suitable for use as part of warmup in young athletes. Athletes invlve in high intensity exercise demand stretch shorten cycle, stretching may be important for injury prevention. Stretching also reduce the peak torque and mean power output.
Tipo de estudio
Inscripción (Actual)
Fase
- No aplica
Contactos y Ubicaciones
Ubicaciones de estudio
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Federal
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Islamabad, Federal, Pakistán, 44000
- Riphah International University
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion Criteria:
- Athletes (volley ball and basketball players) playing at part time/domestic level.
- Athletes age between 18-35 Years.
Exclusion Criteria:
- Athletes having history of sprain or strain in lower limbs within last 6 months.
- Athletes having any neuro-musculoskeletal, cardiovascular pathology
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Cuidados de apoyo
- Asignación: Aleatorizado
- Modelo Intervencionista: Asignación paralela
- Enmascaramiento: Único
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
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Experimental: Muscle Energy Technique
Post isometric relaxation technique was used in experimental group
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In experimental group, post-isometric relaxation technique has given to the athletes.
The position of athlete was prone and the involved group of muscle was quadriceps.
Firstly end range of the quadriceps muscle group assess and guide the athlete to put 20% of their maximum voluntary contraction and physiotherapist resist the athlete and isometric contraction of quadriceps remain for 6-10 seconds
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Comparador activo: Static Stretch
Static stretching was given in control group
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Control group has treated with static stretching after the pre-assessment that includes three repetitions with duration of fifteen seconds with twenty second rest intervals on lower extremities
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Vertical Jump - Force Plates
Periodo de tiempo: Day 1
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Athletes starting position is squat position (Which is the baseline position) on the force-plates and did jump by saying jump, then Jump and sway were noted by physical therapist in seconds
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Day 1
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Muscle Recruitment: through Electromyography
Periodo de tiempo: Day 1
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During vertical jump athletes quadriceps muscle recruitment is noted by noting the amplitude
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Day 1
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30 Meter sprint
Periodo de tiempo: Day 1
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Athletes start its 30 meter sprint with maximum speed and it is used to check the maximum strength in seconds
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Day 1
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Ground Reaction force (flight time):- through Force plates
Periodo de tiempo: Day 1
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Athletes starting position is squat position on the force-plates and did jump by saying jump and the flight time were noted by physical therapist in newton
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Day 1
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Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Imran Amjad, PhD, Riphah International University Islamabad
Publicaciones y enlaces útiles
Publicaciones Generales
- Wisloff U, Castagna C, Helgerud J, Jones R, Hoff J. Strong correlation of maximal squat strength with sprint performance and vertical jump height in elite soccer players. Br J Sports Med. 2004 Jun;38(3):285-8. doi: 10.1136/bjsm.2002.002071.
- de Weijer VC, Gorniak GC, Shamus E. The effect of static stretch and warm-up exercise on hamstring length over the course of 24 hours. J Orthop Sports Phys Ther. 2003 Dec;33(12):727-33. doi: 10.2519/jospt.2003.33.12.727.
- Ballantyne F, Fryer G, McLaughlin P. The effect of muscle energy technique on hamstring extensibility: the mechanism of altered flexibility. Journal of Osteopathic Medicine. 2003 Oct 1;6(2):59-63
- 4. Gentil-Bécoz J, Royal S, Locatelli M, Perez GM. The immediate effects of two muscle energy techniques on quadriceps muscle during vertical jumps: A pilot Study. Journal of Bodywork and Movement Therapies. 2015 Oct 1;19(4):672-3
- Carvalho FL, Carvalho MC, Simao R, Gomes TM, Costa PB, Neto LB, Carvalho RL, Dantas EH. Acute effects of a warm-up including active, passive, and dynamic stretching on vertical jump performance. J Strength Cond Res. 2012 Sep;26(9):2447-52. doi: 10.1519/JSC.0b013e31823f2b36.
- Witvrouw E, Mahieu N, Danneels L, McNair P. Stretching and injury prevention: an obscure relationship. Sports Med. 2004;34(7):443-9. doi: 10.2165/00007256-200434070-00003.
- Cramer JT, Housh TJ, Weir JP, Johnson GO, Coburn JW, Beck TW. The acute effects of static stretching on peak torque, mean power output, electromyography, and mechanomyography. Eur J Appl Physiol. 2005 Mar;93(5-6):530-9. doi: 10.1007/s00421-004-1199-x. Epub 2004 Dec 15.
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- Riphah IU M Faheem Afzal
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