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Biomedicine Glossary > Skeletal muscles > Flashcards

Skeletal muscles Flashcards

1
Q

supraspinatus

A

a rotator cuff, abduction of shoulder

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2
Q

psoas(major and minor)

A

hip flexor, pull femur towards trunk; stabilises pelvis

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3
Q

latissimus dorsi

A

wide back muscle, extends, adducts, medially rotates

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4
Q

quadratus lumborum

A

lower spine support, lateral flexion, vertebral extension

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5
Q

erector spinae

A

keeps spine upright

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6
Q

masseter

A

cheek; mastication

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7
Q

temporalis

A

horizontal temple area, mastication

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8
Q

sternocleidomastum

A

head to neck; rotation and tilting of head

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9
Q

trapezius

A

shoulder muscle; head back, retract shoulders

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10
Q

occipitus frontalis

A

muscle at back of head; raises eyebrows

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11
Q

orbicularis oculi

A

round eyes, blink

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12
Q

orbicularis ori

A

round mouth, pout or close mouth

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13
Q

acromion

A

shoulder ‘cap’

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14
Q

scapula

A

shoulder blade, retraction

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15
Q

aponeurosis

A

fibrous bankd or sheet of tendon (e.g. next to lat dorsi and over QL)

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16
Q

pectoralis major

A

major chest muscle, draw arms forward; shoulder flexion/adduction, medial rotation

17
Q

rectus abdominus

A

core, six pack; parallel to midline; vertebral flexion (‘crunch’); increases IAP

18
Q

transversus abdominus

A

compresses abdominal organs, increases IAP

19
Q

internal / external obliques

A

rotation, bending sideways

20
Q

diaphragm(attach to sternum, lower 6 rib pairs and lumbar spine)

A

contracts to lower, increasing space for air to enter lungs

21
Q

deltoid

A

attaches from scapula and clavicle to humerus; flexion, abduction, extension of shoulder joint

22
Q

biceps brachii

A

two heads, scapula to radius; flexion of lower arm and supination; stabilises shoulder

23
Q

triceps brachii

A

three heads; extension of lower arm, arm adduction

24
Q

flexor carpi ulnaris

A

flexes hand at the wrist

25
Q

extensor carpi ulnaris

A

extends hand at the wrist

26
Q

gluteus maximus

A

lgst muscle in the posterior chain; ilius to femur;extension of the hip joint, external rotation, abduction

27
Q

gluteus medius

A

abducts leg, stabilises pelvis

28
Q

hamstrings (biceps femoris, semi-membranosus, semi-tendinosus)

A

bend knee

29
Q

rectus femoris

A

deepest quad muscle, flexes hip; extends knee,

30
Q

thigh adductors

A

squeeze thighs together

31
Q

tibialis anterior

A

dorsiflexion and inversion

32
Q

soleus

A

the lower/underneath one (sole!), plantar flexion; ankle stability

33
Q

gastrocnemius

A

belly of the calf, flexes at the knee, plantar flexion; splits in to two

Biomedicine Glossary (2 decks)

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