Shared Flashcard Set

Details

Back & Spine
Anatomy
15
Anatomy
Graduate
09/10/2007

Additional Anatomy Flashcards

 


 

Cards

Term
Pectoralis Major
Definition
ORIGIN: anterior medial clavicle & anterior sternum, superior 6 costal cartilages & aponeurosis of external obliques
INSERTION: lateral lip of bicipital groove of humerus
ACTION: adducts, medially rotates humerus, h/flexes humerus and slight flexion
NERVE: pectoral nerves
Term
Pectoralis Minor
Definition
ORIGIN: Ribs 3-5 near costal cartilage
INSERTION: medial & superior coracoid process of scapula
ACTION: draws scapula anteriorly & inferiorly
NERVE: medial pectoral nerves
Term
Deltoid
Definition
ORIGIN: lateral 1/3 clavicle, acromion & spine of scapula
INSERTION: deltoid tuberosity of humerus
ACTION: flexes, h/flexes & medially rotates arm, abducts arm to 90degrees, extends, h/extends & laterally rotates arm
NERVE: axillary nerve
Term
Trapezius
Definition
ORIGIN: medial 1/3 nuchal line, ligament nuchae, SP & supraspinous ligaments to T12
INSERTION: lateral 1/3 posterior clavicle, medial acromion & spine of scapula
ACTION: laterally rotates, elevates & retracts scapula, extends & laterally flexes neck
NERVE: spinal accessory nerve
Term
latissimus dorsi
Definition
ORIGIN: SP of lower thoracic, lumber & sacral vertebrae, lumbar fascia, posteror iliac crest, inferior angle of scapula & lower 4 ribs
INSERTION: floor of bicipital groove of humerus
ACTION: adduction, extension & internal rotation of arm & internal rotation of scapula
NERVE: thoracodorsal nerve
Term
teres major
Definition
ORIGIN: lower 1/3 lateral inferior angle of scapula
INSERTION: medial lip of bicipital groove of humerus
ACTION: adducts & internally rotates humerus
NERVE: subscapular nerve
Term
Levator Scapula
Definition
ORIGIN: Posterior tubercles of TP of C1-4
INSERTION: superior medial scapula
ACTION: raises medial scapula, assists rotation of neck
NERVE: scapular nerve
Term
Rhomboid
Definition
ORIGIN: lower ligament nuchae, SP of C7 - T5
INSERTION: posteromedial border of scapula
ACTION: retracts scapula & rotates to rest position
NERVE: scapular nerve
Term
Supraspinatus
Definition
ORIGIN: medial 3/4 supraspinous fossa of scapula
INSERTION: superior facet of greater tuberosity of humerus & shoulder joint capsule
ACTION: abducts arm to 25degrees & stabilizes shoulder joint
NERVE: suprascapula nerve
Term
infraspinatus
Definition
ORIGIN: medial 3/4 infraspinous fossa of scapula
INSERTION: middle facet of greater tuberosity of humerus & shoulder joint capsule
ACTION: lateral rotation of the humerus & stabilizes shoudler joint
NERVE: suprascapula nerve
Term
Teres minor
Definition
ORIGIN: middle 1/3 lateral border of scapula above teres major
INSERTION: inferior facet of greater tuberosity of humerus & shoulder joint capsule
ACTION: lateral rotation of humerus & shoulder joint stabilization
NERVE: axillary nerve
Term
subscapularis
Definition
ORIGIN: medial 2/3 subscapular fossa
INSERTION: lesser tuberosity of humerus & shoulder joint capsule
ACTION: internal rotation & adduction of humerus, stabilizes shoulder joint
NERVE: subscapular nerve
Term
Quadratus Lumborum
Definition
ORIGIN: inferior 12th rib
INSERTION: TP of L1-4 & posterior 1/3 iliac crest
ACTION: lateral flexion & extension of vertebrae
NERVE: anterior primary rami
Term
Iliacus
Definition
ORIGIN: iliac fossa of abdomen
INSERTION: lesser trochanter
ACTION: fexes & laterally rotates hip
NERVE: femoral nerve
Term
Psoas
Definition
ORIGIN: TP of L1-5 & bodies of T12-L5
INSERTION: lesser trochanter of femur & iliopsoas fascia
ACTION: flexes & laterally rotates hip
NERVE: anterior primary rami
Supporting users have an ad free experience!