flexibility training Flashcards

1
Q

static flexibility

A

the range of motion about a joint without reference to speed of movement

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2
Q

static active flexibility

A

achieved by the performer completing a voluntary contraction to move a joint beyond its point of resistance

requires the strength of opposing muscle groups to hold a limn in position

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3
Q

static passive flexibility

A

assisted by a partner or aid to move the joint just beyond its point of resistance

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4
Q

dynamic flexibility

A

the range of motion about a joint with reference to a speed of movement

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5
Q

factors that affect flexibility

A
  • type of joint
  • length of surrounding connective tissue
  • age
  • gender
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6
Q

type of joint - flexibility

A

ball and socket joints have a greater range of motion than hinge joints

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7
Q

length and elasticity of surrounding connective tissue

A

the greater the length + elasticity surrounding muscle, tendons and ligaments - the greater the range of motion

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8
Q

gender - flexibility

A

females are generally more flexible than males

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9
Q

age - flexibility

A

flexibility is greatest at childhood + declines with age

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10
Q

methods of evaluating flexibility

A
  • sit and reach test

* goniometer

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11
Q

sit and reach test

A
  • sit and reach test box is placed against a wall and the parts remove their shoes
  • they sit with straight legs and feet flat against the box
  • slowly moving forward, reach as far forward along the box as possible
  • at full stretch, held for 2 secs
  • best score from 3 attempts is recorded
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12
Q

ads + disads of sit and reach test

A

+ easy test to administer
+ cheap and accessible equipment
+ standardised data for comparison

  • not joint or movement specific
  • participant must be warmed up, move slowly and hold position for 2 secs for valid results
  • test measures flexibility in the lower back and hamstrings only
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13
Q

goniometry

A
  • a 360o protractor w/ two extending arms can be used to measure the range of motion at any joint, in any plane of movement
  • head of the goniometer is placed on the axis of rotation of a joint + arms extend along articulating bones
  • difference in joint angle is taken from starting position to full range of motion
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14
Q

ads + disads of goniometry

A

+ objective, valid and accurate measure
+ any joint can be measured, making it sport specific

  • can be difficult to locate the axis of rotation
  • to get n accurate measure, training is required
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15
Q

training used to develop flexibility

A
  • passive stretching
  • proprioceptive neuromuscular facilitation (PNF)
  • static stretching
  • dynamic stretching
  • ballistic stretching
  • isometric stretching
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16
Q

static passive stretching

A

a performer moves the joint just beyond the point of resistance with assistance + holds for 10-30 secs

17
Q

static active stretching

A

a performer moves the joint into its fully stretched position WITHOUT any assistance + holds for 10-30 secs

18
Q

Isometric stretching

A

a performer isometrically contracts the muscles while holding a stretched position for 7-20 secs

19
Q

dynamic stretching

A

stretching technique which involves taking a joint through its full range of motion with control over the entry + exit of the stretch, e.g. walking lunge

20
Q

ballistic stretching

A

swinging or bouncing movements to create momentum to force the joint through its extreme range of motion

21
Q

Proprioceptive neuromuscular facilitation (PNF)

A

stretching technique to desensitise the stretch reflex, whereby a performer completes:

  • a static passive stretch
  • isometrically contracts the agonist
  • relaxes
  • then stretches further
22
Q

physiological adaptations from flexibility training

A

muscle and connective tissues:

FINISH