Muscles Flashcards

1
Q

The Name for a flat tendon

A

Aponeurosis

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2
Q

Superficial fascia

A

subcutaneous fatty layer under the skin which gives the body its rounded form and is important in surgical incision and the spread of infection

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3
Q

Deep fascia

A

thin layer of dense fibrous connective tissue. covers skeletal muscles, encloses the muscles in muscle compartments

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4
Q

Movements at the trunk are caused by which joints … ?

A

Gliding movements at the intervertebral facet joints - compression of the intervertebral discs.

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5
Q

Linea Alba

A

fibrous structure that runs down the midline of the abdomen
tendon for all abdominal muscles
does not contain any primary nerves or blood vessels

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6
Q

Contraction of the erector spinae

A

extension of the spine

maintaining erect posture of the body

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7
Q

where are the erector spine located

A

along each side of the spinous processes of the vertebrae

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8
Q

The erector spine acts unilaterally to — and bilaterally to —

A

flex vertebral column laterally
extend vertebral column and head
(rectus abdominis flexes the vertebral column)

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9
Q

Movements of the scapula

A

protraction, retraction, rotation, elevation, depression

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10
Q

Features of the scapula and clavicle

A

Scapula : acromion , coracoid process, spine, superior angle, inferior angle, glenoid fossa
Clavicle: body, lateral end, medial end

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11
Q

Proximal and distal attachments of the deltoid

A

Proximal attachments: clavicle, acromion process, spine

Distal: shaft of the humerus at the deltoid tuberosity

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12
Q

Movements by the deltoid

A

Flexion, abduction, extension

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13
Q

Pectoralis Major attachments

A

P : Medial part of the clavicle, Manubrium, Body of the sternum, some costal cartilages
D: shaft of the humerus & bicipital groove

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14
Q

Pectoralis Major movements

A

adduction, internal rotation and flexion of the arm

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15
Q

Attachments of the trapezius

A

P occipital bone, spinous processes of thoracic vertebrae

D spine of scapula, acromion

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16
Q

movements of the trapezius

A

Elevate, retraction, depression.

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17
Q

Attachments of the serratus anterior

A

P Side and front of the first eight ribs

D Medial border of the scapula

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18
Q

Movements of the serratus anterior

A

Protraction, downward or upward rotation (upward and downward protraction: with the trapezius)

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19
Q

Attachments of the latissimus dorsi

A

P: Lower thoracic vertebrae, lumbar sacral vertebrae and iliac crest
D: bicipital groove, upper end of the shaft of the humerus

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20
Q

Movements of the latissimus dorsi

A

Adduction of the GH joint
Extension at the GH joint
Internal rotation of the humerus

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21
Q

Biceps Brachii attachment

A

Long Head: Superglenoid tubercule of the scapula
Short Head: coracoid process
D radial tuberosity

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22
Q

Brachialis attachment

A

P Anterior surface of the humerus

D coronoid process of the ulna

23
Q

Triceps brachii attachments

A

P Bottom of the glenoid fossa (scapula) & Heads of the humerus
D Olecranon process

24
Q

Movements of the triceps brachia

A

Extension of shoulder joint
Extension of elbow joint
Adduction of the shoulder joint

25
Extrinsic muscle
lie in the forearm and their tendons pass to the hand
26
Flexor Retinaculum
a band of connective tissue held in place at the wrist joint
27
Movements at the wrist joint
flexion extension abduction adduction circumduction
28
Hand can change position
Pronation & Supination at the radioulnar joint
29
Name the three anterior extrinsic muscles at the wrist
Flexor carpi ulnaris, flexor carpi radialis, flexor digitorum superficalis
30
Proximal attachment of the anterior extrinsic muscles at the wrist
Medial epicondyle of the humerus
31
Distal attachment of FCU, FCR, FDS
HAND ( Pisiform ... ,2nd metacarpal, ...)
32
Name the three posterior extrinsic muscles
extensor carpi ulnaris, extensor carpi radialis, extensor digitorum
33
Name the proximal attachment on the humerus of the posterior extrinsic muscles
Lateral epicondyle of the humerus
34
Gluteus maximus muscle attachments
P - posterior surface of the ilium | D - posterior of the femur & to a fibrous band called the iliotibial tract
35
Movements of the Gluteus Maximus
Extends the hip joint, lateral rotation of the hip joint - important in extensor movements of the hip joint that counteracts the effects of the force of gravity (i.e. standing from a sitting position and in climbing stairs)
36
Iliopsoas muscle = --- + ---?
iliacus | Psoas major
37
iliacus proximal attachment
anterior surface of the ilium
38
psoas major proximal attachment
lumbar vertebrae
39
distal attachment of ilopsoas muscle
lesser trochanter of the femur
40
iliacus muscle movement
bending of lumbar vertebra, flexion at the hip joint, external rotation of the hip joint
41
Psoas major movement
ipsilateral bending of the trunk, flexion at the hip joint, raises trunk from supine position, external rotation at the hip joint
42
quadricep femoris attachment
P ilium + femur | D tibial tuberosity via the patella
43
quadricep femoris movement
flexion of the hip joint , extension of the knee joint
44
Hamstring attachment
P ischial tuberosity | D tibia and fibula
45
Hamstring movement
flexors of the knee, extensors of the hip, internal and external rotation
46
adductor muscle attachment
P pubic bone | D femur, tibia (medial side)
47
adductor compartment action
ADDUCTS!
48
ANKLE JOINT
HINGE JOINT
49
tibialis anterior P&DA
P antero-lateral tibial surface | D tarsal bones (medial cruciform and 1st metatarsal)
50
tibialis anterior movement
dorsiflexion
51
Gastrocnemius muscle P&DA
P femur | D calcaneus via the achilles tendon
52
Soleus muscle P&DA
P tibia and fibula | D calcaneus
53
Movement of gastrocnemius muscle and Soleus
plantarflexion