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Arm Flashcards

(102 cards)

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1
Q

Biceps Brachii (Long/Short) O.I.

A

Long head originates from the supraglenoid tubercle of the scapula,

short head originates from the coracoid process of the scapula.

Both heads insert distally into the radial tuberosity

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2
Q

Biceps Brachii (Function)

A

Supination of the forearm, flexion at the elbow and shoulder.

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3
Q

Biceps Brachii Innervation/ Arterial

A

Innervation: Musculocutaneous nerve.
Blood supply: Brachial artery.

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4
Q

Brachialis (O.I)

A

Attachments: Originates from the medial and lateral surfaces of the humerus shaft.

It inserts onto the ulnar tuberosity, immediately distal to the elbow joint.

Musculocutaneous (C5-6)and radial C7

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5
Q

Brachialis (Innervation, Arterial, Action)

A

Function: Flexion at the elbow.

Innervation: Musculocutaneous nerve (with contributions from the radial nerve). C5-7

Blood supply: Brachial artery and radial artery

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6
Q

Coracobrachialis (Attachments)

A

Coracoid process of the scapula.
to the medial aspect of the humerus shaft

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7
Q

Coracobrachialis (function, innervation, artery)

A

Function: Flexion of the arm at the shoulder
Innervation: Musculocutaneous nerve. C5-7
Blood supply: Brachial artery.

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8
Q

Triceps brachii Long Head

A

Originates from the infraglenoid tubercle of the scapula. to one tendon which inserts onto the olecranon of the ulna.

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9
Q

Lateral triceps brachii

A

Originates from the humerus (superior to the radial groove) to one tendon which inserts onto the olecranon of the ulna.

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10
Q

Medial triceps brachii

A

Originates from the humerus (inferior to the radial groove) To one tendon which inserts onto the olecranon of the ulna.

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11
Q

triceps brachii (Function, Blood, Innervation)

A

Function: Extension of the arm at the elbow.
Blood Supply: Deep bracial (profunda brachii) artery
Innervation: Radial nerve C5-T1

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12
Q

Brachioradialis (Attachments)

A

lateral supracondylar ridge of humerus. It attaches to the distal end of the radius, just proximal to the radial styloid process.

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13
Q

Brachioradialis (Function, Blood, Arterial)

A

Actions: Flexion at the elbow
Innervation: Radial nerve.
Blood supply: Radial artery.

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14
Q

Deltoid (Attachments)

A

Originates from the lateral third of the clavicle, the acromion and the spine of the scapula. It attaches to the deltoid tuberosity on the lateral aspect of the humerus.

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15
Q

Deltoid (Innervation, Blood)

A

Innervation: Axillary nerve. C5-6

Blood supply: Anterior and posterior circumflex humeral artery

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16
Q

Pectoralis Major (Attachments)

A

Clavicular head: anterior surface of the clavicle.
Sternocostal head: sternum, the top six costal cartilages and the aponeurosis of the external oblique muscle.

The distal attachment of both heads is onto the intertubercular sulcus of the

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17
Q

Pectoralis Major (Function, artery, innervation)

A

Function: Adduction and medial rotation of the upper limb.
Innervation: Lateral and medial pectoral nerves.
Lateral C5-7
Medial - C8-T1

Blood supply: Pectoral branch of thoracoacromial artery, superior thoracic artery, lateral thoracic artery.

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18
Q

Pectoralis Minor (Attachments)

A

3rd-5th ribs and inserts into the coracoid process of the scapula

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19
Q

Pectoralis Minor (Function, artery, innervation)

A

Function: Stabilises the scapula by drawing it anteroinferiorly against the thoracic wall.
Innervation: Medial pectoral nerve.C8-T1
Blood supply: Pectoral branch of thoracoacromial artery.

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20
Q

Subscapularis (Attachments)

A

subscapular fossa (anterior surface of the scapula). It attaches to the lesser tubercle of the humerus.

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21
Q

Subscapularis (Function, artery, innervation)

A

Actions: Medial rotation of the arm
Innervation: Upper and lower subscapular nerves. C5-6
Blood supply: Subscapular artery.

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22
Q

Teres Major (Attachments)

A

posterior surface of the inferior angle of the scapula. It attaches to the Crest of the lesser tubercle

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23
Q

Teres Major (Function, artery, innervation)

A

Actions: Adduction, extension and medial rotation of the upper limb at the shoulder.
Innervation: Lower subscapular nerve. C5-6
Blood supply: Thoracodorsal artery, posterior circumflex humeral artery

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24
Q

Teres Minor (Attachments)

A

posterior surface of the scapula, adjacent to its lateral border. It attaches to the greater tubercle of the humerus.

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25
Teres Minor (Function, artery, innervation)
Actions: Lateral rotation of the arm. Innervation: Axillary nerve. C5-6 Blood supply: Circumflex scapular artery and the posterior circumflex humeral artery.
26
Latissimus dorsi (Attachments)
Spinous processes of T7-T12, iliac crest, thoracolumbar fascia and the inferior three ribs. The fibres converge into a tendon that attaches to the intertubercular sulcus of the humerus.
27
Latissimus dorsi (Function, artery, innervation)
Actions: Extension, adduction and medial rotation of the upper limb at the shoulder. Innervation: Thoracodorsal nerve. C6-8 Blood supply: Thoracodoral artery.
28
Infraspinatus (Attachments)
infraspinous fossa of the scapula and attaches to the greater tubercle of the humerus.
29
Infraspinatus (Function, artery, innervation)
Innervation: Suprascapular nerve.C5-6 Actions: Lateral rotation of the upper limb at the shoulder. Blood supply: Suprascapular and circumflex scapular arteries
30
Supraspinatus (Attachments)
supraspinous fossa of the scapula and attaches to the greater tubercle of the humerus.
31
Supraspinatus (Function, artery, innervation)
Actions: Abduction of the upper limb at the shouler. Innervation: Suprascapular nerve. C5-6 Blood supply: Suprascapular artery
32
Trapezius (Attachments)
Originates from the skull, nuchal ligament and the spinous processes of C7-T12. The fibres attach to the clavicle, acromion, and the scapula spine.
33
Trapezius (Function, artery, innervation)
Actions: Abduction of the upper limb at the shoulder, elevate the scapula, retract, depress. Innervation: Accessory nerve Blood supply: Transverse cervical artery
34
Levator scapulae (Attachments)
transverse processes of the C1-C4 vertebrae and attaches to the medial border of the scapula..
35
Levator scapulae (Function, artery, innervation)
Actions: Elevation of the scapula. Innervation: Dorsal scapular nerve. Blood Supply: Dorsal scapular artery.
36
Rhomboid Major (Attachments)
Spinous processes of T2-T5 vertebrae. Attaches to the medial border of the scapula,
37
Rhomboid Major (Function, artery, innervation)
Actions: Retracts and rotates the scapula. Innervation: Dorsal scapular nerve. Blood Supply: Dorsal scapular artery
38
Rhomboid Minor (Attachments)
spinous processes of C7-T1 vertebrae. Attaches to the medial border of the scapula, at the level of the spine of scapula
39
Rhomboid Minor (Function, artery, innervation)
Actions: Retraction and rotation of the scapula. Innervation: Dorsal scapular nerve. Blood Supply: Dorsal scapular artery
40
Serratus Posterior Superior (Attachments)
C7 – T3--> ribs 2 – 5
41
Serratus Posterior Superior (Function, artery, innervation)
Actions: Elevates ribs 2 – 5. Innervation: Intercostal nerves T2 – T5. Blood Supply: Posterior intercostal arteries.
42
Splenius capitis (Attachments)
Spinous processes of C7 – T3/T4 vertebrae. The fibres attach to the mastoid process and the occipital bone of the skull.
43
Splenius capitis (Function, artery, innervation)
Actions: Rotate head to the same side. Innervation: Posterior rami of spinal nerves C3 and C4. Blood Supply: Muscular branches of the occipital artery from the external carotid artery.
44
Splenius Colli (Attachments)
SP T3-6 --> TVP C1-3
45
Splenius Colli (Function, artery, innervation)
Function: Extends, laterally flexes, rotates Innervation: POSTERIOR rami lower cervical Arterial: Descending branch of occipital
46
Semispinalis Capitis (Attachments)
originates from the articular processes of vertebrae C4-C7 and the transverse processes of vertebrae T1-T6. to inferior nuchal line of occipital bone
47
Semispinalis Capitis (Function, artery, innervation)
Function: Extends innervation: Greater occipital (C2 and C3) Arterial: Occipital and deep cervical
48
Anterior scalenes (Attachments)
Transverse processes of C3-C6 and attaches onto the scalene tubercle (first rib).
49
Medial scalenes (Attachments)
Transverse processes of C2-C7 and attaches to the scalene tubercle of the first rib.
50
Posterior scalenes (Attachments)
Transverse processes of C5-C7 and attaches into the second rib.
51
Anterior scalenes (Function, artery, innervation)
Function: Elevation of the first rib. Ipsilateral contraction causes ipsilateral lateral flexion of the neck, and bilateral contraction causes anterior flexion of the neck. Innervation: Anterior rami of C5-7
52
Posterior scalenes (Function, artery, innervation)
Function: Elevation of the second rib, and ipsilateral lateral flexion of the neck. Innervation: Anterior rami of C6-C8.
53
Medial scalenes (Function, artery, innervation)
Function: Elevation of the first rib. Ipsilateral contraction causes ipsilateral lateral flexion of the neck. Innervation: Anterior rami of C3-C8.
54
Sternocleidomastoid (Attachments)
manubrium of the sternum, medial third of the clavicle to the mastoid process of the temporal bone and the superior nuchal line of the occipital bone.
55
Sternocleidomastoid (Function, artery, innervation)
Function: Lateral flexion and rotation of the neck when acting unilaterally, and extension of the neck at the atlanto-occipital joints when acting bilaterally. Innervation: Accessory nerve Blood supply: Occipital artery, Superior thyroid artery and external carotid artery, Suprascapular artery
56
Platysma (Attachments)
pectoral fascia to mandible,
57
Platysma (Function, artery, innervation)
Innervation: Cervical branch of facial nerve (CN VII) Function: Depresses mandible Arterial:submental artery (facial artery), suprascapular artery (thyrocervical trunk)
58
Serratus Anterior (Attachments)
External surface of rib 1-9 to Medial boarder of scapula
59
Serratus Anterior (Function, artery, innervation)
Function: Protracts/ upwardly rotated scap Innervation: Long thoracic nerve. Blood supply: Thoracodorsal artery, superior thoracic artery, lateral thoracic artery.
60
External Intercostal Attachments
Inferior baorder of ribs 1-11 to superior border of the ribs Immediately below
61
External Intercostal function/ innervation/ Arterial
Function:Elevates ribs Innervation: Anterior rami of thoracic nerves Arterial: Posterior intercostal, musculophrenic artery
62
63
Internal Intercostal: Attachments
Inferior baorder of ribs 1-11 to superior border of the ribs Below
64
Internal Intercostal: function/ innervation/ Arterial
Action: Depresses Ribs Innervation: Anterior Rami of thoracic nerves Arterial:Posterior intercostal, musculophrenic artery
65
innermost innercostal: Attachments
Inferior boarders of 1-11th ribs to superior boarder of ribs immediate below
66
innermost innercostal: function/ innervation/ Arterial
Action: Elevates ribs Innervation: Anterior Rami of thoracic nerves Arterial:Posterior intercostal, musculophrenic artery
67
Serratus Posterior Inferior (Attachments)
SP's of T11-L2 to external surface of ribs 9-12
68
Serratus Posterior Inferior (Function, artery, innervation)
Actions: Depresses ribs 9 – 12. Innervation: Intercostal nerves (T9 – T11) and subcostal nerve (T12). Blood Supply: Supplied by the posterior intercostal arteries, subcostal artery, and upper lumbar arteries.
69
External abdominal oblique (Attachments)
Ribs 5-12 and inserts onto the iliac crest and pubic tubercle.
70
External abdominal oblique (Function, innervation)
Actions: Contralateral rotation of the torso. Innervation: intercostal nerves (T7-T11) and iliohypo ilioing (kind of…)
71
Internal Oblique (Attachments)
inguinal ligament, iliac crest and lumbodorsal fascia. It inserts onto ribs 10-12.
72
Internal Oblique (Function, innervation)
Actions: Bilateral contraction compresses the abdomen, while unilateral contraction ipsilaterally rotates the torso. Innervation: intercostal nerves 7-12 iliohypo and ilioing
73
Transversus Abdominis (Attachments)
Inguinal ligament, costal cartilages 7-12, the iliac crest and thoracolumbar fascia. It inserts onto the conjoint tendon, xiphoid process, linea alba and the pubic crest.
74
Transversus Abdominis (Function, innervation)
Actions: Compression of abdominal contents. Innervation: anterior rami of T7-12 iliohypogastric and lingual
75
Arterial of the Oblique muscles
Lower posterior intercostal, Deep circumflex iliac, inferior epigastric
76
Rectus Abdominis (Attachments)
crest of the pubis bone. It inserts onto the xiphoid process of the sternum and the costal cartilage of ribs 5-7.
77
Rectus Abdominis (Function, Innervation, Arterial)
Actions: As well as assisting the flat muscles in compressing the abdominal viscera, the rectus abdominis also stabilises the pelvis during walking, and depresses the ribs. Innervation: Thoracoabdominal nerves (T7-T11). Arterial: Inferior and Superior epigastric arteries
78
Pyramidalis (Attachments)
Pubic crest and pubic symphysis before inserting into the linea alba.
79
Pyramidalis (Action, innervation, arterial)
Actions: Tenses the linea alba. Innervation: Subcostal nerve (T12). Arterial: Inferior Epigastric artery
80
Psoas Major (Attachments)
TVP L1-5 to lesser trochanter
81
Psoas Major (Function, Innervation, Arterial)
Actions: Flexion of the thigh at the hip and lateral flexion of the vertebral column. Innervation: Anterior rami of L1 – L3 nerves. Blood supply: Lumbar branch of iliolumbar artery
82
Iliacus (Attachments)
iliac fossa and anterior inferior iliac spine to lesser trochanter of the femur.
83
Iliacus (Function, innervation, arterial)
Actions: Flexion thigh Innervation: Femoral nerve (L2 – L4). Blood supply: Iliolumbar, deep circumflex iliac, obturator, and femoral arteries.
84
Sartorius (Attachments)
ASIS to superomedial aspect of the tibia.
85
Sartorius (Function, innervation, arterial)
Actions: Flexion, abduction and lateral rotation at the hip joint. Flexion at the knee joint. Innervation: Femoral nerve. Blood Supply: Femoral artery.
86
Pectineus (Attachments)
Superior pubic ramus to pectineal line on femur
87
Pectineus (Function, Innervation, Arterial)
Actions: Adduction and flexion at the hip joint. Innervation: Femoral nerve (may also receive a branch from the obturator nerve). Blood supply: Medial circumflex femoral artery, femoral artery and obturator artery.
88
Obturator externus (Attachments)
Obturator membrane to trochanteric fossa of femir
89
Obturator externus (Function, innervation,Blood)
Actions: Adduction and lateral rotation of the thigh. Innervation: Obturator nerve (L2-L4). Blood Supply: Obturator artery and medial circumflex femoral artery.
90
Obturator Internus (Attachments)
Obturator membrane to greater trochanter
91
Obturator Internus (Function, Blood, Innervation)
Actions: Lateral rotation and abduction of the lower limb. Innervation: Nerve to obturator internus. Blood Supply: Obturator artery
92
Quadratus femoris (Attachments)
ischial tuberosity to quadrate tubercle of femur
93
Quadratus femoris (Action, innervation, Arterial)
Actions: Lateral rotation of the lower limb. Innervation: Nerve to quadratus femoris. Blood Supply: Inferior gluteal artery and medial circumflex femoral artery
94
Inferior Gemellus (Attachment)
Ischial tuberosity to greater trochanter
95
Inferior Gemellus (Action, innervation, Arterial)
Action: Lateral rotator Innervation: Nerve to quadratus femoris (L5-S1) Arterial: Medial circumflex femoral artery
96
Gluteus Maximus (Attachments)
97
Gluteus Maximus (Action, Innervation, Arterial)
Actions: It is the main extensor of the thigh, and assists with lateral rotation. However, it is only used when force is required, such as running or climbing. Innervation: Inferior gluteal nerve.
98
Rectus Femoris (Attachments)
Anterior inferior iliac spine and the ilium of the pelvis. It inserts onto the patella via the quadriceps femoris tendon.
99
Rectus Femoris (Actions, innervation, Arterial)
Actions: Extension of the knee joint and flexion of the hip joint. Innervation: Femoral nerve Blood Supply: Femoral artery and lateral femoral circumflex artery
100
Quadratus Femoris (Attachments)
ischial tuberosity and attaches to the quadrate tuberosity on the intertrochanteric crest.
101
Quadratus Femoris (Action, Innervation, Arterial)
Actions: Lateral rotation of the lower limb. Innervation: Nerve to quadratus femoris. Blood Supply: Inferior gluteal artery and medial circumflex femoral artery
102

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