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abdominal hold

An exercise to test and develop your ability to sustain contractions of abdominal muscles. ▪ Lie on your back with your knees bent and your lower back pressed gently into the ...

abdominal hold

abdominal hold   Quick reference

Food and Fitness: A Dictionary of Diet and Exercise (2 ed.)

Reference type:
Subject Reference
Current Version:
2016

... hold An exercise to test and develop your ability to sustain contractions of abdominal muscles. ▪ Lie on your back with your knees bent and your lower back pressed gently into the floor. Place your hands in a relaxed position on the top of your thighs. Keep your lower back flat on the floor and slowly curl up to touch your knees with your hands; hold the position for as long as possible: 35 to 60 seconds indicates a good level of endurance. Beginners should not attempt to hold for more than 60...

abdominal hold

abdominal hold  

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An exercise to test and develop your ability to sustain contractions of abdominal muscles.▪ Lie on your back with your knees bent and your lower back pressed gently into the floor. Place your hands ...
crunch programme

crunch programme  

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A programme of exercises designed to correct postural misalignments, particularly in the back, and to tone the abdominal or stomach muscles. The abdominals help to stabilize the torso and can be used ...
Billig's exercise

Billig's exercise  

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An exercise which stretches the connective tissue around the pelvis, the hip flexors, and the muscles on the inside of the thighs (figure 14). The exercise is reputed to prevent some types of ...
pelvic tilt

pelvic tilt  

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A simple exercise which can help realign the body, extending the back and pulling the abdominal muscles in (figure 50).▪ Lie on your back with knees bent and feet flat on the floor. Pull in your ...
negative sit-up test

negative sit-up test  

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A simple test of abdominal strength.▪ Sit down with your knees bent, hands on the top of your head, and feet flat on the floor. Slowly lower yourself backwards halfway to the floor. Time how long you ...
back extension

back extension  

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A back strengthening exercise, usually performed on an extension bench specially designed to support the hips and which fixes the feet (figure 9). The extension bench isolates the back muscles, ...
curl-up

curl-up  

1 A weight-training exercise that strengthens the anterior muscles of the arm. The subject stands with feet shoulder-width apart, and holds a barbell or dumbbells with an underhand grip at thigh ...
cat stretch

cat stretch  

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An exercise which tones and strengthens the body as a whole, but has a particularly beneficial effect on the back and abdominal muscles.▪ Assume a kneeling position, resting on the balls of your feet ...
pelvic floor lift

pelvic floor lift  

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Overview Page
An exercise, specifically designed for women, to develop the muscles in the perineum or pelvic floor. These muscles are responsible for holding the lower part of the abdominal contents in the pelvic ...
spot theory of fat reduction

spot theory of fat reduction  

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Overview Page
The idea that specific exercises or diets can reduce the amount of fat in a particular area of the body without affecting the amount in other parts. For example, many people intuitively believe that ...
mesentery

mesentery   Reference library

Oxford Dictionary of Biochemistry and Molecular Biology (2 ed.)

Reference type:
Subject Reference
Current Version:
2008
Subject:
Science and technology, Life Sciences
Length:
31 words

...1 the double‐layer fold of peritoneum serving to hold the abdominal viscera in position. 2 any of the muscular partitions extending inwards from the body wall in coelenterates. —mesenteric ...

scrotum

scrotum n.   Quick reference

A Dictionary of Nursing (7 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health
Length:
42 words

...scrotum [ skroh -tŭm] n. the paired sac that holds the testes and epididymides outside the abdominal cavity. Its function is to allow the production and storage of spermatozoa to occur at a lower temperature than that of the abdomen. —scrotal ...

spontaneous bacterial peritonitis

spontaneous bacterial peritonitis   Quick reference

Concise Medical Dictionary (10 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Clinical Medicine
Length:
103 words

...bacterial peritonitis ( SBP ) the presence of infection in the abdominal cavity without an obvious cause ( see peritonitis ). SBP occurs in patients with liver disease (and occasionally in those with nephrotic syndrome) due to portal hypertension . This leads to the build-up of large volumes of peritoneal fluid ( ascites ) in which infection takes hold and propagates. Patients experience fever, nausea, abdominal pain, further accumulation of ascites, and they may develop hepatic encephalopathy with rapid deterioration. Diagnosis is made by ...

scrotum

scrotum n.   Quick reference

Concise Medical Dictionary (10 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Clinical Medicine
Length:
53 words

... n. the paired sac that holds the testes and epididymides outside the abdominal cavity. Its function is to allow the production and storage of spermatozoa to occur at a lower temperature than that of the abdomen. Further temperature control is achieved by contraction or relaxation of muscles in the scrotum. — scrotal ...

curl-up

curl-up   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007

...1 A weight-training exercise that strengthens the anterior muscles of the arm. The subject stands with feet shoulder-width apart, and holds a barbell or dumbbells with an underhand grip at thigh level, then brings the weight up to the chest and lowers it back to the thigh. 2 Form of abdominal exercise similar to a sit-up, but which involves curling the chin onto the chest, while the lower back retains contact with the...

gastrostomy

gastrostomy n.   Quick reference

A Dictionary of Nursing (7 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health
Length:
102 words
Illustration(s):
1

... [gas- trost -ŏmi] n. a procedure in which an opening is made through the anterior abdominal wall into the stomach to allow direct access for feeding or gastric decompression. It is performed when swallowing is considered unsafe or impossible due to a neurological condition or to obstruction by a tumour. g. button a device connecting the skin surface to the stomach to which feeding tubes are attached. Some buttons have a balloon inside the stomach to hold the device in place (see illustration). percutaneous endoscopic g. (PEG) gastrostomy...

visceral sensation

visceral sensation   Reference library

The Oxford Companion to the Body

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Life Sciences
Length:
1,086 words

...we may become conscious of the world inside our bodies, experiencing palpitations of the heart, a throbbing headache , racing pulse , abdominal cramps, or colic. And on occasions, such as during stress , we may experience dyspepsia , or vague sensations referred to as ‘butterflies in the stomach’. The term ‘gut feelings’ indicates the overall, vague, unfamiliar, or affective connotations of abdominal sensations. Visceral sensations and visceral pain are often regarded as synonymous; however, not all visceral sensations are painful. Stretch of...

Dragonflies and Damselflies

Dragonflies and Damselflies   Reference library

The New Encyclopedia of Insects and their Allies (3 rev. ed.)

Reference type:
Subject Reference
Current Version:
2009
Subject:
Science and technology, Life Sciences
Length:
3,296 words
Illustration(s):
8

...bend the tip of her abdomen downward and forward until her genitalia (located at the tip of her abdomen) engage with his secondary genitalia (beneath the 2nd and 3rd abdominal segments). Copulation in what is known as the wheel position can then commence. The female typically begins to lay eggs immediately after copulation, often with her former partner guarding her, either by retaining hold of her in the tandem position or by hovering close to her. Male dragonflies and damselflies compete intensely for females, but competition does not end with success or...

Other Crustaceans

Other Crustaceans   Reference library

The Encyclopedia of Underwater Life

Reference type:
Subject Reference
Current Version:
2007
Subject:
Science and technology, Life Sciences
Length:
6,001 words
Illustration(s):
5

...of thoracic appendages. After several molts it develops into 5 a megalopa, the late larval stage, which has a head and thoracic and abdominal appendages . Most adult malacostracans are bottom-dwellers (benthic), and the single-branched (uniramous) thoracic legs are adapted for walking. Some malacostracans can swim using pleopods, the limbs of the first five abdominal segments. The appendages of the sixth abdominal segment are directed back as uropods to flank the terminal telson and form a tail fan. The gills of malacostracans are usually situated at...

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