appendicular muscles Flashcards

1
Q

What anterior thoracic muscles are synergistic and what do they do?

A

pectoralis minor and serratus anterior- protract and depress the scapula

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2
Q

What complication could arise from a radial mastectomy?

A

paralysis of serratus anterior, winged scapula

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3
Q

What are the posterior muscles that move the pectoral girdle/what do they all do?

A

adduct, elevate and retract the scapula

traps also draw head back and rhombs inferiorly rotate

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4
Q

What is the prime arm extensor?

A

latissimus dorsi

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5
Q

What is the prime mover of arm flexion?

A

pectoralis major

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6
Q

What is the prime abductor of the arm?

A

deltoid

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7
Q

How are the lats related to a weak heart?

A

Can cut the lats free from humerus and wrap aroudn heart to strengthen the cardiac muscle

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8
Q

How are breast implants related to the chest muscles?

A

Often implanted behind the pectoralis major

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9
Q

What muscle is synergistic to the pectoralis major?

A

corocobrachialis

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10
Q

What muscle is synergistic with the lats?

A

teres major

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11
Q

What two muscles are synergistic within the rotator cuff?

A

infraspinatus and teres minor, adduct and laterally rotate arm

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12
Q

What muscle is most commonly injured in the rotator cuff and why?

A

supraspinatus because the tendon gets pinched by the acromion when the muscle is contracted

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13
Q

What is tennis elbow?

A

lateral epicondylitis

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14
Q

what is a powerful supinator of the forearm?

A

biceps brachii

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15
Q

Where do muscles of the anterior compartment of the forearm generally originate and what do they do?

A

medial epicondyle of the humerus, flex the wrist, metacarpals and/or interphalangeals

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16
Q

Where do the muscles of the posterior compartment of the forearm generally originate and what do they do?

A

the lateral epicondyle of the humerus and extend the wrist, metacarpals, interphalangeals

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17
Q

The palmar surface of the carpal bones is covered by ______?

A

flexor retinaculum

18
Q

the tight space between the carpal bones and the flexor retinaculum is called the ___ ____

A

carpal tunnel

19
Q

Carpal tunnel syndrome results from compression of the ____ ___ and results in pain and ______ or pins and needles feeling

A

median nerve, parasthesia

20
Q

The ___ ___ partitions the thigh muscles into compartments, each with its own __ and __ supply

A

fascia lata, blood, nerve

21
Q

The ___ ___ extends from the lower spine that passes deep to the ___ ____ and merges with the ___ to for the ____

A

psoas major, inguinal ligament, iliacus, iliopsoas

22
Q

What muscle means “tailor” in latin and enables one to sit cross legged?

A

sartorius

23
Q

What muscle is the chief extensor of the thigh?

A

gluteus maximus

24
Q

Deep to the gluteus maximus is the ____ which is latin for __ ____ and can cause pressure on the ___ ___

A

piriformus, pear shaped, sciatic nerve

25
Q

4 muscles make up the ____ ____ which is the prime mover of __ ____

A

quadriceps femoris, knee extension

26
Q

The hamstrings all of a common ___ which is ___ ____ but different ___

A

origin, ischial tuberosity, insertions

27
Q

What muscle forms the tendon on the lateral side of the popliteal fossa?

A

biceps femoris

28
Q

What muscles form the medial margin of the popliteal and which is more prominant

A

semimembranosus and semitendinosis, tendonosis is more prominent

29
Q

What did the mongol hordes cut to incapacitate their enemies?

A

the hamstrings

30
Q

What muscle of the lower leg aids in leg flexion?

A

gastrocnemius

31
Q

What muscles are usually torn at their proximal attachments in a groin pull?

A

the adductor or iliopsoas muscles

32
Q

What is the primary dorsiflexor of the foot?

A

tiabialis anterior

33
Q

What muscles have the same insertion but antagonist actions?

A

tibialis and fibularis

34
Q

What are the gastrocnemius and soleus known as?

A

triceps surae

35
Q

What are 3 different causes of shin splints?

A

stress fracture of the tibia, inflammation of teh periosteum, tendonitis

36
Q

Why is compartment syndrome considered a medical emergency and what procedure can be done to relieve it?

A

hypoxia of the muscles, decompression fasciotomy, may need skin graft

37
Q

What are 3 places for IM injections

A

gluteus maximus (high and lateral), deltoid, vastus lateralis

38
Q

What is the medical term for a ministroke?

A

transient ischemic attack

39
Q

How is a TIA different from a stroke stroke?

A

the body’s clot dissolving system chews up wayward clots before the neurons die

40
Q

What was causing ellen’s frequent TIA?

A

a hole in her heart, or a patent forament ovule

41
Q

Why is a PFO concerning?

A

venous blood from the right atria can cross into the left and if there are clots, they can get into the carotid artery to the brain

42
Q

What is the concern with prescribing asprin?

A

can cause a small laceration to become life threaten because it is an anticlotting agent