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Muscles for Test Block #1
UTHSC / MSN-CNL Clinical Anatomy
190
Anatomy
Graduate
06/06/2011

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Cards

Term
Innervation of Trapezius
Definition

Subtrapezial Nerve Plexus

(CN XI and C3 and C4 Ventral Rami)

Term
Origin of Trapezius
Definition

External Occipital Protuberance of the Skull

C1-T12 Spinous Processes

Term
Insertions of the Trapezius
Definition

Clavicle (upper)

Acromion (middle)

Spine (lower)

Term
Action of the Trapezius
Definition
Move the Shoulder Girdle
Term
Innervation of the Levator Scapulae
Definition

Dorsal Scapular Nerve

 

(also- third and fourth cervical spinal nerves)

Term
Origin of the Levator Scapulae
Definition
C1-C4 Transverse Processes
Term
Insertion of Levator Scapulae
Definition

Medial Border of Scapula

 

(above spine)

Term
Action of Levator Scapulae
Definition
Move Shoulder Girdle
Term
Origin of Rhomboid Minor
Definition
C7-T1 Spinous Processes
Term
Innervation of the Rhomboid Minor
Definition

Dorsal Scapular Nerve

Term
Insertion of the Rhomboid Minor
Definition

Medial Border of the Scapula 

(at spine)

Term
Action of the Rhomboid Minor
Definition
Move the Shoulder Girdle
Term
Innervation of the Rhomboid Major
Definition

Dorsal Scapular Nerve

Term
Origin of the Rhomboid Major
Definition
T2-T5 Spinous Processes
Term
Insertion of the Rhomboid Major
Definition

Medial Border of the Scapula

(below the spine)

Term
Action of the Rhomboid Major
Definition
Move the Shoulder Girdle
Term
Innervation of the Latissimus Dorsi
Definition
Thoracodorsal Nerve
Term
Origin of the Latissimus Dorsi
Definition

T6-L5 Spinous Processes

Iliac Crest

Thoracolumbar Fascia

Term
Insertion of Latissimus Dorsi
Definition
Intertubercular Groove of Humerus
Term
Action of the Latissimus Dorsi
Definition
Arm:  Extend, medially rotate, adduct
Term
Innervation of Subscapularis
Definition
Upper and Lower Subscapular Nerve
Term
Origin of Subscapularis
Definition
Subscapular Fossa
Term
Insertion of Subscapularis
Definition
Lesser Tubercle of the Humerus
Term
Action of Subscapularis
Definition
Medial Rotation of the Arm
Term
Innervation of the Supraspinatus
Definition
Suprascapular Nerve (C5-C6)
Term
Origin of the Supraspinatus
Definition
Supraspinous Fossa
Term
Insertion of the Supraspinatus
Definition

Greater Tubercle of the Humerus 

(Superior Facet)

Term
Action of the Supraspinatus
Definition
Abduction 0-15 degrees
Term
Innervation of the Infraspinatus
Definition
Suprascapular Nerve (C5-C6)
Term
Origin of the Infraspinatus
Definition
Infraspinous Fossa
Term
Insertion of the Infraspinatus
Definition

Greater Tubercle of the Humerus

(Middle Facet)

Term
Action of the Infraspinatus
Definition
Lateral Rotation of the Arm
Term
Innervation of the Teres Minor
Definition
Axillary Nerve (C5-C6)
Term
Origin of the Teres Minor
Definition
Upper Lateral Border of the Scapula
Term
Insertion of the Teres Minor
Definition
Greater Tubercle of the Humerus (Inferior Facet)
Term
Action of the Teres Minor
Definition
Lateral Rotation of the Arm
Term
Innervation of the Teres Major
Definition
Lower Subscapular Nerve
Term
Origin of the Teres Major
Definition
Lower Lateral Border of the Scapula
Term
Insertion of the Teres Major
Definition
Crest of the Lesser Tubercle of the Humerus
Term
Action of the Teres Major
Definition

Medial Rotation,

Adduction and Extension of the Arm

Term
Innervation of the Deltoid
Definition
Axillary Nerve (C5-C6)
Term
Origin of the Deltoid
Definition
Spine, Acromion and Clavicle
Term
Insertion of the Deltoid
Definition
Deltoid Turberosity of the Humerus
Term
Action of the Deltoid
Definition

Abduction (15-100 degrees)

Ant. Fibers - Med. Rot. and Flex. of the Arm

Post. Fibers - Lat. Rotaton and Ext. of the Arm

Term
Innervation of the Pectoralis Major
Definition
Medial and Lateral Pectoral NN.
Term
Origin of the Pectoralis Major
Definition
Clavicle, Sternum and Ribs 1-6
Term
Insertion of the Pectoralis Major
Definition
Crest of the Greater Tubercle of the Humerus
Term
Action of the Pectoralis Major
Definition
Medial Rotation, Adduction and Flexion of the Arm
Term
Innervation of the Pectoralis Minor
Definition
Medial Pectoral N.
Term
Origin of the Pectoralis Minor
Definition
Ribs 3-5
Term
Insertion of the Pectoralis Minor
Definition
Coracoid Process of the Scapula
Term
Action of the Pectoralis Minor
Definition
Protraction of the Scapula
Term
Innervation of the Serratus Anterior
Definition
Long Thoracic N. (C5-C7)
Term
Origin of the Serratus Anterior
Definition
Ribs 1-9
Term
Insertion of the Serratus Anterior
Definition
Medial Border of the Scapula, Costal Surface
Term
Action of the Serratus Anterior
Definition
Protraction and Supination Rotation of the Lateral Angle of the Scapula; Holds Scapula Against the Dorsal Trunk
Term
Innervation of the Coracobrachialis
Definition
Musculocutaneous N. (C5-C6(C7))
Term
Origin of the Coracobrachialis
Definition
Coracoid Process of the Scapula
Term
Insertion of the Coracobrachialis
Definition
Medial Aspect of the Humerus, Mid-shaft
Term
Action of the Coracobrachialis
Definition
Flexion at the Shoulder Joint
Term
Innervation of the Biceps Brachii
Definition
Musculocutaneous N. (C5-C6(C7))
Term
Origin of the Biceps Brachii (long head)
Definition
Supraglenoid Tubercle
Term
Origin of the Biceps Brachii (short head)
Definition
Coracoid Process of the Scapula
Term
Insertion of the Biceps Brachii
Definition
Radial Tuberosity
Term
Action of the Biceps Brachii
Definition
Flexion at the Elbow Joint, Flexion at the Shoulder Joint (weak), Supination
Term
Innervation of the Brachialis
Definition
Musculocutaneous N. (C5-C6(C7))
Term
Origin of the Brachialis
Definition
Anterior Aspect of the Humerus, Lower Half
Term
Insertion of the Brachialis
Definition
Ulnar Tuberosity
Term
Action of the Brachialis
Definition
Flexion at the Elbow Joint
Term
Innervation of the Triceps Brachii
Definition
Radial N. (C5-T1)
Term
Origin of the Triceps Brachii (long head)
Definition
Infraglenoid Tubercle
Term
Insertion of the Triceps Brachii
Definition
Olecranon of the Ulna
Term
Action of the Triceps Brachii (long head only)
Definition
Extension at the Shoulder Joint
Term
Origin of the Triceps Brachii (lateral head)
Definition
Posterior Humerus Lateral and Superior to the Radial Groove
Term
Action of the Triceps Brachii
Definition
Extension at the Elbow Joint
Term
Origin of the Triceps Brachii (medial head)
Definition
Posterior Humerus Medial and Inferior to the Radial Groove
Term
Innervation of the Brachioradialis
Definition
Radial N. (C5-T1)
Term
Origin of the Brachioradialis
Definition
Lateral Epicondyle and Supracondylar Ridge of the Humerus (do not learn more detail than this)
Term
Insertion of the Brachioradialis
Definition
Styloid Process of the Radius
Term
Action of the Brachioradialis
Definition
Flexion at the Elbow Joint
Term
Innervation of the Pronator Teres
Definition
Median N. (C5-T1)
Term
Origin of the Pronator Teres
Definition
Medial Epicondyle and Supracondylar Ridge of the Humerus (do not learn more detail than this)
Term
Insertion of the Pronator Teres
Definition
Shaft of the Radius
Term
Action of the Pronator Teres
Definition
Pronation
Term
What is the innervation of the Psoas Major?
Definition
L1-L3 Ventral Rami
Term
What is the origin of the Psoas Major?
Definition
T12-L5 Vertebrae
Term
What is the insertion of the Psoas Major?
Definition
Lesser Trochanter of the Femur
Term
What is the action of the Psoas Major?
Definition

Hip Flexion

(Strongest)

Term
What is the innervation of the Iliacus?
Definition
Femoral Nerve
Term
What is the origin of the Iliacus?
Definition
Iliac Fossa
Term
What is the insertion of of the Iliacus?
Definition
Lesser Trochanter of the Femur
Term
What is the action of the Iliacus?
Definition

Hip Flexion

(Strongest)

Term
What is the innervation of the Rectus Femoris?
Definition
Femoral Nerve
Term

What is the origin of the Rectus Femoris?

(straight head)

Definition
Anterior Inferior Iliac Spine
Term

What is the origin of the Rectus Femoris?

(reflected head)

Definition
Superior Aspect of the Acetabulum
Term
What is the insertion of the Rectus Femoris?
Definition
Patella and Tibial Tuberosity via the Quadraceps Tendon and Patellar Ligament
Term
What is the action of the Rectus Femoris?
Definition
Hip Flexion, Knee Extension
Term
What is the innervation of the Vastus Lateralis?
Definition
Femoral Nerve
Term
What is the origin of the Vastus Lateralis?
Definition
Femur
Term
What is the insertion of the Vastus Lateralis?
Definition
Patella and Tibial Tuberosity via the Quadraceps Tendon and Patellar Ligament
Term
What is the action of the Vastus Lateralis?
Definition
Knee Extension
Term
What is the innervation of the Vastus Lateralis?
Definition
Femoral Nerve
Term
What is the origin of the Vastus Lateralis?
Definition
Femur
Term
What is the insertion of the Vastus Lateralis?
Definition
Patella and Tibial Tuberosity via the Quadraceps Tendon and Patellar Ligament
Term
What is the action of the Vastus Lateralis?
Definition
Knee Extension
Term
What is the innervation of the Vastus Intermedius?
Definition
Femoral Nerve
Term
What is the origin of the Vastus Intermedius?
Definition
Femur
Term
What is the insertion of the Vastus Intermedius?
Definition
Patella and Tibial Tuberosity via the Quadriceps Tendon and Patellar Ligament
Term
What is the action of the Vastus Intermedius?
Definition
Knee Flexion
Term
What is the innervation of the Vastus Medialis?
Definition
Femoral Nerve
Term
What is the origin of the Vastus Medialis?
Definition
Femur
Term
What is the insertion of the Vastus Medialis?
Definition
Patella and Tibial Tuberosity via the Quadriceps Tendon and Patellar Ligament
Term
What is the action of the Vastus Medialis?
Definition
Knee Extension
Term
What is the innervation of the Sartorius?
Definition
Femoral Nerve
Term
What is the origin of the Sartorius?
Definition
Anterior Superior Iliac Spine (ASIS)
Term
What is the insertion of the Sartorius?
Definition
Pes Anserinus (anterior slip) on the Medial Aspect of the Tibia
Term
What is the action of the Sartorius?
Definition

Hip Flexion

Knee Flexion

Lateral Rotation of the Femur

Abduction of the Femur

Term
What is the innervation of the Gracilis?
Definition
Obturator Nerve
Term
What is the origin of the Gracilis?
Definition
Pubis
Term
What is the insertion of the Gracilis?
Definition
Pes Anserinus (Middle Slip) on the Medial Aspect of the Tibia
Term
What is the action of the Gracilis?
Definition
Adduction of Femur, Knee Flexion
Term
What is the innervation of the Pectineus?
Definition
Femoral Nerve
Term
What is the origin of the Pectineus?
Definition
Pubis
Term
What is the insertion of the Pectineus?
Definition
Pectineal Line of the Femur
Term
What is the action of the Pectineus?
Definition

Adduction of Femur, Medial Rotation of Thigh,

Hip Flexion (weak)

Term
What is the innervation of the Adductor Longus?
Definition
Obturator Nerve
Term
What is the origin of the Adductor Longus?
Definition
Pubis
Term
What is the insertion of the Adductor Longus?
Definition
Linea Aspera of Femur
Term
What is the action of the Adductor Longus?
Definition

Adduction of Thigh, Medial Rotation of Thigh,

Hip Flexion (weak)

 

Term
What is the innervation of the Adductor Brevis?
Definition
Obturator Nerve
Term
What is the origin of the Adductor Brevis?
Definition
Pubis
Term
What is the insertion of the Adductor Brevis?
Definition
Linea Aspera of the Femur
Term
What is the action of the Adductor Brevis?
Definition

Adduction of Thigh, Medial Rotation of Thigh,

Hip Flexion (weak)

Term
What is the innervation of the Adductor Magnus (Adductor Part)?
Definition
Obturator Nerve
Term
What is the origin of the Adductor Magnus?
Definition
Pubis/Ischium
Term
What is the insertion of the Adductor Magnus (Adductor Part)?
Definition
Linea Aspera of Femur
Term
What is the action of the Adductor Magnus (Adductor Part)?
Definition
Adduction of the Femur, Medial Rotation of Thigh, Hip Flexion (Adductor Part)
Term
What is the innervation of the Adductor Magnus (Hamstring Part)?
Definition
Tibial Nerve
Term
What is the origin of the Adductor Magnus?
Definition
Pubis/Ischium
Term
What is the insertion of the Adductor Magnus (Hamstring Part)?
Definition
Adduction Tubercle of Femur
Term
What is the action of the Adductor Magnus (Hamstring Part)?
Definition
Adduction of Femur, Medial Rotation of Thigh, Hip Extension
Term
What is the innervation of the Gluteus Maximus?
Definition
Inferior Gluteal Nerve
Term
What is the origin of the Gluteus Maximus?
Definition
Dorsal Ilium, Sacrum, Coccyx, Sacrotuberous Ligament and Iliac Crest
Term
What is the insertion of the Gluteus Maximus?
Definition
Gluteal Tuberosity and Iliotibial Tract
Term
What is the action of the Gluteus Maximus?
Definition
Hip Extension, Lateral Rotation of the Thigh
Term
What is the innervation of the Gluteus Medius?
Definition
Superior Gluteal Nerve
Term
What is the origin of the Gluteus Medius?
Definition

Ilium, Between Anterior and Posterior Gluteal Lines

 

Term
What is the insertion of the Gluteus Medius?
Definition
Greater Trochanter of Femur, Lateral Aspect
Term
What is the action of the Gluteus Medius?
Definition

Stabilization of the Pelvis during Gait,

Abduction of Thigh,

Medial Rotation of Thigh (Anterior Fibers)

Term
What is the innervation of the Gluteus Minimus?
Definition
Superior Gluteal Nerve
Term
What is the origin of the Gluteus Minimus?
Definition
Ilium, Between Anterior and Inferior Gluteal Lines
Term
What is the insertion of the Gluteus Minimus?
Definition
Greater Trochanter of Femur, Anterior Aspect
Term
What is the action of the of the Gluteus Minimus?
Definition

Stabilization of the Pelvis during Gait,

Abduction of Thigh,

Medial Rotation of Thigh (Anterior Fibers)

Term
What is the innervation of the Tensor Fascia Latae?
Definition
Superior Gluteal Nerve
Term
What is the origin of the Tensor Fascia Latae?
Definition
Iliac Crest, Lateral Aspect
Term
What is the insertion of the Tensor Fascia Latae?
Definition
Iliotibial Tract
Term
What is the action of the Tensor Fascia Latae?
Definition
Stabilization of the Knee in Extension, Hip Flexion (weak), Abduction of Thigh
Term
What is the innervation of the Piriformis?
Definition
Nerve to the Piriformis
Term
What is the origin of the Piriformis?
Definition
Sacrum, Pelvic Surface
Term
What is the insertion of the Piriformis?
Definition
Greater Trochanter of Femur, Medial Aspect
Term
What is the action of the Piriformis?
Definition
Lateral Rotation of the Thigh
Term
What is the innervation of the Superior Gemellus?
Definition
Nerve to the Obturartor Internus
Term
What is the origin of the Superior Gemellus?
Definition
Ischium
Term
What is the insertion of the Superior Gemellus?
Definition
Greater Trochanter, Medial Aspect via the Obturator Internus Tendon
Term
What is the action of the Superior Gemellus?
Definition
Lateral Rotation of the Thigh
Term
What is the innervation of the Obturator Internus?
Definition
Nerve to the Obturator Internus
Term
What is the origin of the Obturator Internus?
Definition
Obturator Foramen and Obturator Membrane, Internal Aspect
Term
What is the insertion of the Obturator Internus?
Definition
Greater Trochanter of Femur, Medial Aspect
Term
What is the action of the Obturator Internus?
Definition
Lateral Rotation of the Thigh
Term
What is the innervation of the Inferior Gemellus?
Definition
Nerve to the Quadratus Femoris
Term
What is the origin of the Inferior Gemellus?
Definition
Ischium
Term
What is the insertion of the Inferior Gemellus?
Definition
Greater Trochanter, Medial Aspect via the Obturator Internus Tendon
Term
What is the action of the Inferior Gemellus?
Definition
Lateral Rotation of the Thigh
Term
What is the innervation of the Quadratus Femoris?
Definition
Nerve to the Quadratus Femoris
Term
What is the origin of the Quadratus Femoris?
Definition
Ischium
Term
What is the insertion of the Quadratus Femoris?
Definition
Quadrate Tubercle of the Femur
Term
What is the action of the Quadratus Femoris?
Definition
Lateral Rotation of the Thigh
Term
What is the innervation of the Biceps Femoris (long head)?
Definition
Tibial Nerve
Term
What is the origin of the Biceps Femoris (long head)?
Definition
Ischial Tuberosity
Term
What is the insertion of the Biceps Femoris?
Definition
Head of the Fibula, Lateral Aspect
Term
What is the Action of the Biceps Femoris?
Definition
Knee Flexion, Extension of the Hip Weak Lateral Rotation of the Tibia
Term
What is the origin of the Biceps Femoris (short head)?
Definition
Linea Aspera of Femur
Term
What is the innervation of the Semitendinosus?
Definition
Tibial Nerve
Term
What is the origin of the Semitendinosus?
Definition
Ischial Tuberosity
Term
What is the insertion of the Semitendinosus?
Definition
Pes Anserinus, Posterior Slip of the Medial Aspect of the Tibia
Term
What is the action of the Semitendinosus?
Definition
Flexion of the Knee, Extension of the Hip (weak), Medial Rotation of Tibia
Term
What is the innervation of the Semimembranosus?
Definition
Tibial Nerve
Term
What is the origin of the Semimembranosus?
Definition
Ischial Tuberosity
Term
What is the insertion of the Semimembranosus?
Definition
Posterior Aspect of the Medial Tibial Condyle
Term
What is the action of the Semimembranosus?
Definition
Flexion of Knee, Extension of Hip (weak), Medial Rotation of Tibia
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