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Kin Exam Review > Chapter 6 > Flashcards

Chapter 6 Flashcards

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1
Q

What is the origin of the biceps brachii?

A

Coracoid process, supraglenoid tubercle

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2
Q

What is the insertion point of the biceps brachii?

A

Radial tuberosity

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3
Q

What action does the biceps brachii perform?

A

Elbow flexion, supination

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4
Q

What is the origin of the triceps brachii?

A

Posterior humerus, infraglenoid tubercle of scapula

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5
Q

What is the insertion point of the triceps brachii?

A

Olecranon process

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6
Q

What action does the triceps brachii perform?

A

Extension of lower arm

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7
Q

What is the origin of the rectus abdominis?

A

Pubic crest symphysis pubis

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8
Q

What is the insertion point of the rectus abdominis?

A

Xiphoid process, inferior ribs

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9
Q

What actions does the rectus abdominis perform?

A

Trunk flexion, expiration

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10
Q

What is the origin of the gluteus maximus?

A

Crest of ilium, sacrum, coccyx

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11
Q

What is the insertion point of the gluteus maximus?

A

Posterior aspect of greater trochanter

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12
Q

What actions does the gluteus maximus perform?

A

Hip extension, external rotation of the thigh

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13
Q

What is the origin of the rectus femoris?

A

Anterior inferior iliac spine

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14
Q

What is the insertion point of the rectus femoris?

A

Patellar tendon, tibial tuberosity

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15
Q

What action does the rectus femoris perform?

A

Knee extension

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16
Q

What is the origin of the biceps femoris?

A

Ischial tuberosity

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17
Q

What is the insertion point of the biceps femoris?

A

Head of fibula

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18
Q

What actions does the biceps femoris perform?

A

Extension of hip, flexor of knee

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19
Q

What is the origin of the pectoralis major?

A

Clavicle, sternum, 1st to 6th ribs

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20
Q

What is the insertion point of the pectoralis major?

A

Intertubercular groove of humerus

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21
Q

What actions does the pectoralis major perform?

A

Internal rotation, adduction, flexion of arm

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22
Q

What is the origin of the latissimus dorsi?

A

Lumbar and lower thoracic vertebrae, iliac crest, sacrum

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23
Q

What is the insertion point of the latissimus dorsi?

A

Intertubercular groove of humerus

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24
Q

What actions does the latissimus dorsi perform?

A

Adductor, extensor, internal rotator of arm

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25
What is the origin of the gastrocnemius?
Lateral and medial condyles of femur
26
What is the insertion point of the gastrocnemius?
Calcaneus via Achilles tendon
27
What actions does the gastrocnemius perform?
Plantar flexion, knee flexion
28
What is the origin of the trapezius?
Base of occipital bone, cervical and thoracic vertebrae
29
What is the insertion point of the trapezius?
Spine of scapula, acromion process, clavicle
30
What actions does the trapezius perform?
Scapular elevation, abduction, retraction, extends neck
31
What is the first phase of the Sliding Filament Theory of Contraction?
Resting phase
32
What occurs during the excitement-contraction phase of muscle contraction?
Sarcoplasmic reticulum sends calcium to trigger troponin
33
What is the third phase of the Sliding Filament Theory?
Contraction
34
What is involved in the contraction phase of muscle contraction?
Hydrolysis reaction with ATP, myosin ATPase
35
What is the fourth phase of the Sliding Filament Theory?
Recharge
36
What happens during the relaxation phase of muscle contraction?
Calcium returns to sarcoplasmic reticulum, myosin chain breaks apart
37
What is the agonist muscle?
Muscle primarily responsible for movement of a body part
38
What is the antagonist muscle?
Muscle that counteracts the agonist, lengthening when the agonist contracts
39
Fill in the blank: The biceps brachii is an _______ for elbow flexion.
agonist
40
Fill in the blank: The triceps brachii acts as the _______ during elbow flexion.
antagonist
41
What is shoulder abduction?
Movement of the arm away from the body
42
What is shoulder adduction?
Movement of the arm towards the body
43
What is elbow extension?
Straightening of the elbow joint
44
What is elbow flexion?
Bending of the elbow joint
45
What is hip extension?
Movement of the thigh backward
46
What is hip flexion?
Movement of the thigh forward
47
What is hip abduction?
Movement of the thigh away from the midline of the body
48
What is hip adduction?
Movement of the thigh towards the midline of the body
49
What is knee extension?
Straightening of the knee joint
50
What is knee flexion?
Bending of the knee joint
51
What is plantarflexion?
Pointing the toes away from the shin
52
What is dorsiflexion?
Bringing the toes towards the shin
53
Define agonist (prime mover)
Muscle that contracts to produce a specific movement
54
Name the agonist for shoulder abduction.
Deltoid
55
Name the agonist for elbow extension.
Triceps brachii
56
Name the agonist for elbow flexion.
Biceps brachii
57
Name the agonist for hip extension.
Gluteus maximus
58
Name the agonist for hip flexion.
Iliacus
59
Name the agonist for hip abduction.
Gluteus medius and minimus
60
Name the agonist for hip adduction.
Adductor magnus
61
Name the agonist for knee extension.
Quadriceps
62
Name the agonist for knee flexion.
Hamstrings
63
Name the agonist for plantarflexion.
Gastrocnemius and soleus
64
Name the agonist for dorsiflexion.
Tibialis anterior
65
What is a motor unit?
A motor neuron, its axon, and the muscle fibres that it stimulates
66
Define antagonist.
Muscle that opposes the action of the agonist
67
Name an antagonist for shoulder abduction.
Latissimus dorsi
68
Name an antagonist for elbow flexion.
Triceps brachii
69
Name an antagonist for hip flexion.
Gluteus maximus
70
Name an antagonist for knee extension.
Hamstrings
71
Name an antagonist for plantarflexion.
Tibialis anterior

Kin Exam Review (12 decks)

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