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56 Cards in this Set

  • Front
  • Back
Trapezius
Origins
External Occipital Protuberance
Superior Nuchal Line/Ligament
Spinous Processes C7-T12
Trapezius
Insertion
Lateral 1/3 of Clavicle
Acromion
Spine of Scapula
Trapezius
Innervation
Motor Supply Cranial Nerve XI
Sensory C3-4
Trapezius
Action
Rotates, Retracts, & Elevates Scapula
Latissimus Dorsi
Origin
Spinous Processes T6-T12
Throacolumbar Fascia

REMEMBER THE 3 I'S

Iliac Crest
Inferior Angle of Scapula
Inferior 3 Ribs
fascia
Layers of fibrous tissue covering and separating muscles
Latissimus Dorsi
Insertion
Floor Intertubercular Sulcus
Latissimus Dorsi
Innervation
Thoracodorsal Nerve
(C6, C7, c8)
Latissimus Dorsi
Action
Climbing Muscle
Adducts
Internally Rotates and Extends Arm
sulcus
grove/farrow
Tuberosity
Large rounded projection
Levator Scapulae
Origin
Transverse Processes C1-C4
Levator Scapulae
Insertion
Superior part of medial border of scapula
Levator Scapulae
Innervation
Dorsal scapular nerve (c4 & C5)
Levator Scapulae
Action
Elevates scapula
rotates scapula medially
tilts glenoid cavity inferiorly
Rhomboid Major & Minor
Origin
Minor: spinous processes C7-T1
Major: spinous processes T2-T5
Rhomboid Major & Minor
Insertion
medial border scapula
Rhomboid Major & Minor
Innervation
Dorsal scapular nerve (C5)
Rhomboid Major & Minor
Action
Retract
rotate scapula medially
Depress glenoid cavity
Deltoid
Origin
lateral 1/3 clavicle
acromion
spine of scapula
Deltoid
Insertion
Deltoid tuberosity humerus
Deltoid
Innervation
Axillary Nerve (C5 & c6)
Deltoid
Action
Abducts Arms
Flexes & Extends arm (different fibers)
Supraspinatus
Origin
supraspinous fossa
Supraspinatus
Insertion
superior facet on the greater tubercle of humerus
facet
smooth, nearly flat articular surface
tubercle
small rounded projection/process
Supraspinatus
Action
Initiates abduction of arm
Assists deltoid in abduction
Holds humeral head in glenoid cavity
Supraspinatus
Innervation
Suprascapular Nerve (C5 & c6)
Fossa
Shallow, basinlike depression in a bone, often serving as an articular surface
Infraspinatus
Origin
infraspinous fossa
Infraspinatus
Insertion
middle facet on the greater tubercle of humerus
Infraspinatus
Innervation
suprascapular (C5 & c6)
Infraspinatus
Action
Laterally (externally) rotates arm; holds humeral head in glenoid cavity
Teres Minor
Origin
Superior Lateral border of scapula
Teres Minor
Insertion
Inferior facet of greater tubercle of humerus
Teres Minor
Innervation
Axillary nerve (C5 & c6)
Teres Minor
Action
Laterally (externally) rotates arm; holds humeral head in glenoid cavity
Teres Major
Origin
Dorsal surface of inferior angle of scapula
Teres Major
Insertion
medial lip of intertubercular sulcus of humerus
Teres Major
Action
Adducts and medially rotates the arm
Teres Major
Innervation
Lower subscapular Nerve (C6 & c7)

Both the Teres (this & Pronator Teres) are C6 & C7
Subscapularis
Origin
subscapular fossa
Subscapularis
Insertion
Lesser tubercle of humerus
Subscapularis
Action
Medially rotates arm
Adducts
Holds humeral head in glenoid fossa
Subscapularis
Innervation
Upper & Lower Subscapular Nerves (c5, C6, c7)
Serratus Anterior:
Origin
External surfaces of the lateral parts of ribs 1-8
Serratus Anterior:
Insertion
Anterior surface of the medial border of scapula
Serratus Anterior:
Innervation
Long Thoracic Nerve (c5, C6, C7)
Serratus Anterior:
Action
Rotates scapula laterally; protracts scapula and holds it against thoracic wall
Pectoralis Major:
Origin
Clavicular Head:
-Medial 1/2 of clavicle
Sternocostal head:
-Anterior surface sternum
-Superior 6 costal cartilages
-Aponeurosis of external oblique
Pectoralis Major:
Insertion
lateral lip of intertubercular sulcus of humerus
Pectoralis Major:
Action (4 motions)
Adducts and medially rotates humerus; clavicular head can flex humerus acting alone; sternocostal head can extend humerus from flexed position
Pectoralis Major:
Innervation
Medial (C8 & t1) and lateral (c5 & C6) pectoral nerves
The 2 _____ are the same in action, but added together equal _____ in innervation. They also have similar _____.
majors: Teres and Pectoralis
subscapularis
insertions
Did you do _____ or _____ deltoid lifts?
Innervation C5 & c6