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Null
cryotherapy will not have an effect on the level of pain with neck pain
Alternative
cryotherapy will have an effect on level of pain with neck pain

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Null: strength exercise will not have effect on muscle performance  for people with osteoarthritis 

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Null: strength exercise will not have effect on muscle performance  for people with osteoarthritis 

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alternative :Bandaging will have affect  in circumference of limb in lymphedema patients
null :Bandaging will not have affect  in circumference of limb in lymphedema patients

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Null = Stretching will have no affect on DOMS after exercising.
Alternative = Stretching will have an effect on DOMS after exercising.

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Alternative : shoulder taping will have an  affect in stability and pain relieve  with  shoulder instability patients
Null : shoulder  taping   has no affect in  stability  and pain relive with   shoulder instability patients

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Null hypothesis:
Parrafin bath will have no effect on duration of bone fracture healing

Alternative hypothesis:
Parrafin bath will have an effect on duration of bone fracture healing

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Null hypothesis:
cryotherapy will have no effect on pain relief among ankle sprain patient
Alternative hypothesis:
cryotherapy will have an effect on pain relief among ankle sprain patient

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Alternative: Accessory mobilizations will have an effect on reducing level of pain and stiffness with osteoarthritis patients

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H0: TENS will have no effect on pain level among low back pain patients.

H1: TENS will have an effect on pain level among low back pain patients.

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Null :
Tens will not have an effect on pain reduction after abdominal surgery
Alternative:
Tens will have an effect on pain reduction after abdominal surgery

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null:
traction splint has no effect on disc compression ( lower back pain)
alternative :
traction splint has an effect on lower back pain

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Null:
Ultrasound has no effect on inflammation reduction among patients that have tendinitis

Alternative:
Ultrasound will has an effect on inflammation reduction among patients that have tendinitis

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Null:
Hydro therapy will not have an effect on pain level for patient with OA
Alternative:
Hydro therapy will  have an effect on pain level for patient with OA

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Bandging -level of instability - dislocation
Null:bandging will not have affect for level of instability for dislocation patient
Alternative : bandging will have affect for level fo instability for dislocation patient