Origins + Insertions Flashcards

1
Q

Ilicostalis

A

A: Extend the back, laterally flex the back, and maintain correct posture and curvature of the spinal column

O: Spinous processes and Supraspinous ligaments T11-L5.

I: Lower 6 rips (lumbar) to upper 6 ribs (thoracic) upper 6 to transverse processes C4-7 (cervical region)

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2
Q

Longissimus

A

A: Extend the back, laterally flex the back, and maintain correct posture and curvature of the spinal column

O: Spinous processes and Supraspinous ligaments T11-L5.

I: Transverse process of thoracic vertebra. adjacent ribs.
Transverse process T1-6. C2-6 (cervical region).
Transverse processes T1-5 and C4-7 to mastoid process.

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3
Q

Spinalis

A

A: Extend the back, laterally flex the back, and maintain correct posture and curvature of the spinal column

O: Spinous processes and Supraspinous ligaments T11-L5.

I: Spinous process T11-L2 and T1-6

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4
Q

Transversus Abdominis

A

A: Stabilise trunk, pelvic and ribs.

O: inner 2/3 iliac crest, lower 6 ribs and inguinal ligament.

I: Via aponeurosis attaching to Linea alba and into inguinal Ligament.

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5
Q

Rectus Abdominus

A

A: Flection of lumbar spine and lateral flexion.

O: Pubic crest and pubic synthesis

I: Ribs 5-7 and Xiphoid process.

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6
Q

Trapezius - Upper

A

A: Scapula and Clavicle elevation.

O: C1-C7, ocipital protuberance and ligamentum Nuchae.

I: Lateral 3rd of clavicle and posterior border.

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7
Q

Trapezius - Middle

A

A: Scapula Elevation and retraction and lateral rotation.

O: C7-T3

I: Acromion and upper border of spine of scapula.

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8
Q

Trapezius - Lower

A

A: Scaupla depression and lateral rotation.

O: T4-12

I: Medial spine of scapula.

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9
Q

Rhombiods

A

A: Retraction and medial rotation.

O: C7-T1 and T2-5

I: Medial bored below spine.

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10
Q

Pectoralis Major

A

A: Horizontal adduction, Internal rotation.

O: Medial 2/3 clavicle, sternum and upper 6 costal cartilages.

I: Lateral lip of bicipital grove.

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11
Q

Latissimus Dorsi

A

A: Adducts, extends and internally rotates the arm.

O: Posterior Iliac Crest, Sacrum, Lumbar fasciae, lower ribs and T7-T12.

I: Medial lip of bicipital grove of Humerus.

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12
Q

Deltoid - Anterior

A

A: Abducts and internal rotation of shoulder.

O: Latteral 3rd of clavicle

I: Lateral Surface of Deltoid tuberosity.

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13
Q

Deltoid - Medial

A

A: Abducts shoulder

O: Lateral border of Acromion process and lateral clavicle.

I: Lateral surface of Deltoid tuberosity.

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14
Q

Deltoid - Posterior

A

A: Shoulder abduction and external rotation.

O: Inferior border of scapula spine.

I: Lateral surface of Deltoid tuberosity.

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15
Q

Bicep Brachii

A

A: Flexion/supernates elbow and flexes shoulder.

O: LH - Supraglenoid tubercle.
SH - Caracoid process.

I: Radial tuberosity and bicipital aponeurosis.

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