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What Muscles work in Medial Rotation of the Shoulder?

Subscapularis Latissimus Dorsi Pectoralis Major Teres Major Anterior Deltoid

What Muscles work in Extension of the Shoulder?

Teres Major Latissimus Dorsi Posterior Deltoid Triceps

What is the Action of the Supraspinatus Muscle?

Abduction of shoulder (1st 30 degrees)

What is the Action of the Trapezius Muscle?

Adducts Scapula Cranially rotates Scapula (pulls shoulder back)

What is the Action of the Rhomboids Minor Muscle?

Adducts and caudally rotates Scapula

What is the Action of the Deltoid Muscle?

All fibers - Abduct Shoulder Anterior fibers - Flexion and internal rotation Posterior fibers - External rotation and extension

What is the Origin of the Deltoid Muscle?

Anterior fibers - Lateral 1/3 of Clavicle Middle fibers - Acromion Posterior fibers - Spine of Scapula

What is the Nerve Supply of the Deltoid Muscle?

Axillary nerve

What is the Action of Spinalis Thoracis?

Bilaterally: Extension of Spine Unilaterally: Rotation and Lateral Flexion of Spine

What is the Nerve Supply of the Levator Scapula Muscle?

C3, C4, Dorsal Scapular Nerve (C5)

What is the Insertion of the Deltoid Muscle?

Deltoid tuberosity of Humerus

What Muscles work in Abduction of the Shoulder?

Deltoids Supraspinatus Trapezius Serratus Anterior

What is the Action of Posterior Serratus Inferior?

Depresses Ribs (Expiration)

What is the Nerve Supply of Semispinalis Cervicis?

Dorsal Primary Rami

What is the Nerve Supply of Spinalis Thoracis?

Dorsal Primary Rami

What is the Nerve Supply of the Rhomboids Minor Muscle?

Dorsal Scapular Nerve

What is the Action of Posterior Serratus Superior?

Elevates Ribs (Inspiration)

What is the Action of the Levator Scapula Muscle?

Elevates Scapula

What is the Action of the Latissimus Dorsi?

Extends, Adducts and Medially rotates Arm

What is the Insertion of the Teres Minor Muscle?

Greater tubercle of Humerus (lower facet)

What is the Insertion of the Supraspinatus Muscle?

Greater tubercle of Humerus (superior facet)

What is the Insertion of the Infraspinatus Muscle?

Greater tuberosity of Humerus (middle facet)

What is the Action of the Serratus Anterior Muscle?

Holds Scapula to Rib Cage Abducts Scapula with arm movements

What Muscles work in Lateral Rotation of the Shoulder?

Infraspinatus Teres Minor Posterior Deltoid

What is the Origin of the Infraspinatus Muscle?

Infraspinous fossa

What is the Insertion of the Trapezius Muscle?

Lateral 1/3 of Clavicle Acromion Spine of Scapula

What is the Action of Semispinalis Cervicis?

Lateral Flexion of Spine Extension of Head Elevation of Ribs

What is the Action of the Infraspinatus Muscle?

Lateral rotation of the Arm

What is the Action of the Teres Minor Muscle?

Lateral rotation of the Arm

What is the Origin of the Rhomboids Minor Muscle?

Ligamentum Nuchae Spinal Processes of C7, T1

What is the Nerve Supply of the Serratus Anterior Muscle?

Long Thoracic Nerve

What Muscle represents the bulk of the Erector Spinae?

Longissimus

What is the Origin of the Teres Major?

Lower 1/3 of Lateral surface of Scapula

What is the Insertion of Posterior Serratus Inferior?

Lower 4 Ribs

What is the Insertion of the Serratus Anterior Muscle?

Medial border of Scapula

What is the Insertion of the Latissimus Dorsi?

Medial lip of Bicipital groove of Humerus

What is the Insertion of the Teres Major?

Medial lip of Bicipital groove of Humerus

What is the Action of the Teres Major?

Medially rotates and Adducts the Humerus

What is the Origin of the Trapezius Muscle?

Occipital Bone External Occipital Protuberance Superior Nunchal Line, 17 Bony Attachments Ligamentum Nuchae Spinal Processes of C7, T1-T12

**Abductor hallucis** ON bottom: flexor digitorum brevis behind tendon: Calcaneal tendon on foot: extensor hallucis longus

PAL: Models > Muscular System - Lower Limb > Lab Practical > Question 1-**Abductor hallucis**

What Muscles work in Adduction of the Shoulder?

Pectoralis Major Latissimus Dorsi Teres Major Teres Minor

What is the Insertion of the Rhomboids Minor Muscle?

Root of Spine of Scapula

What is the Nerve Supply of the Trapezius Muscle?

Spinal Accessory Nerve, C3, C4

What is the Insertion of Semispinalis Cervicis?

Spinal Processes of C2-C5

What is the Insertion of Spinalis Thoracis?

Spinal Processes of T1, T4-T8

What is the Origin of Spinalis Thoracis?

Spinal Processes of T11, T12, L1 and L2

What is the Origin of Posterior Serratus Inferior?

Spinal Processes of T11, T12, L1, L2 Lumbar Fascia

What is the Origin of the Latissimus Dorsi?

Spinous processes of T7-T12 and L1-L5 Iliac crest Lower 3 or 4 ribs Inferior angle of Scapula

What is the Nerve Supply of the Infraspinatus Muscle?

Suprascapular nerve

What is the Nerve Supply of the Supraspinatus Muscle?

Suprascapular nerve

What is the Origin of the Supraspinatus Muscle?

Suprospinous fossa of Scapula

Spinalis spinous process

The highlighted muscle inserts and originates on what common structure of the vertebrae?

What is the Nerve Supply of the Latissimus Dorsi?

Thoracordorsal nerve

What is the Origin of the Levator Scapula Muscle?

Transverse Processes of Atlas, Axis, C3, C4

What is the Origin of Semispinalis Cervicis?

Transverse Processes of T1-T6

What is the Origin of the Teres Minor Muscle?

Upper 1/3 of Lateral border of Scapula

What is the Origin of the Serratus Anterior Muscle?

Upper 8-9 Ribs

What is the Nerve Supply of Posterior Serratus Superior?

Ventral Primary Rami (VPR) of T1-T4

What is the Nerve Supply of Posterior Serratus Inferior?

Ventral Primary Rami (VPR) of T9-T11

What is the Insertion of the Levator Scapula Muscle?

Vertebral border of Scapula between Medial Angle and Root of Spine

Sartorius

PAL: Models > Muscular System - Lower Limb > Lab Practical > Question 15

sartorius

PAL: Models > Muscular System - Lower Limb > Lab Practical > Question 15

What is the Nerve Supply of the Teres Major?

Lower Subscapular nerve

pectineus

PAL: Models > Muscular System - Lower Limb > Lab Practical > Question 10

vastus medialis right: vastus lateralis middle: rectus femoris

PAL: Models > Muscular System - Lower Limb > Lab Practical > Question 20

fibularis brevis

PAL: Models > Muscular System - Lower Limb > Lab Practical > Question 5

Deltoid

PAL: Models > Muscular System - Trunk > Lab Practical > Question 1

longissimus

PAL: Models > Muscular System - Trunk > Lab Practical > Question 10

What is the Nerve Supply of the Teres Minor Muscle?

Axillary nerve

adductor longus

Cadaver > Muscular System: Lower Limb > Lab Practical > Question 1

gracilis

Cadaver > Muscular System: Lower Limb > Lab Practical > Question 10

sartorius

Cadaver > Muscular System: Lower Limb > Lab Practical > Question 15

vastus lateralis

Cadaver > Muscular System: Lower Limb > Lab Practical > Question 20

flexor digitorum longus

Cadaver > Muscular System: Lower Limb > Lab Practical > Question 5

Infraspinatus

Cadaver > Muscular System: Trunk > Lab Practical > Question 16

Serratus Anterior

Identify the highlighted muscle.

Supraspinatus

Identify the highlighted muscles.


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