Anatomy and Physiology Lab Test Flashcards

Terms Definitions
temple area
toward the middle
origin: Galea aponeurosis
insertion: skin above the supraorbital margin
Action: Raises the eyebrows
Quadratus femoris
Origin: ischial tuberosity
Insertion: intertrochanteric crest of the femur
Action: rotates thigh laterally, stabilizes hip
closer to the skin
less than / below
Origin: spinous processes of T7-L3
Insertion: spinous processes of C4-T6
Action: extends vertebral column
around or outside the center
origin: occipital bone and mastoid process
insertion: galea aponeurosis
action: pull the scalp posteriorly
Triceps Brachii
Origin: Infraglenoid tubercle and psterior body of the humerusInsertion: olecranon processAction: extend the forearm
Gluteus maximus
Origin: posteior ilium, sacrum, coccyx
Insertion: ilotibial tract, gluteal tuberosity of the femur
Action: extends thigh at hip, rotates thigh laterally, abducts thigh
Origin: infraspinous fossa of the scapula
Insertion: greater tubercle of the humerus
Action: abducts arm
Origin: lateral supracondylar ridge of the humerus
Insertion: styloid process of the radius
Action: flexes forearm at elbow, stabilizes elbow during flexion and extension
Fibularis (peroneus) brevis
Origin: distal fibula
Insertion: 5th metatarsal
Action: plantar flexes foot at ankle, everts foot
dividing into a front(anterior) and back(posterior)
palmaris longus
origin: medial epicondyle of the humerus
insertion: palmar aponeurosis
action: flex the wrist
Sartorius ("Tailor's Muscle")
Origin: Anterior superior iliac spineInsertion: Medial proximal tibiaAction: Flex the leg, and flex and rotate the thigh
a broad, flat sheet of tendon (ex.-galea, abdominal, and palmar aponeuroses)
Biceps femoris: short head
Origin: linea aspera
Insertion: head of the fibula, lateral condyle of the tibia
Action: extends thigh at hip, flexes let at knee, rotates leg laterally
Abductor pollicis brevis
Origin: scaphoid, trapezium, flexor retinaculum
Insertion: proximal phalanx of pollex
Action: abducts pollex
Erector spinae iliocostalis
Origin: iliac crest, ribs 3-12
Insertion: inferior border of the ribs, transverse processes of C4-C6
Action: extends vertebral column, laterally flexes vertebral column
anterior/ ventral
In the front of the body
flexor carpii ulnaris
origin: medial epicondyle fo the humerus and the olecranon process
insertion: 5th metacarpal
action: flex and adduct the wrist
Buccinator ("trumpeter's muscle")
Origin: alveolar processes of the posterior mandible and maxillae
Insertion: Orbicularis oris muscle
Action: compresses the cheek when blowing and sucking
Latissumus Dorsi
Origin: spines of T6-L5, iliac and sacral crestsInsertion: Intertubercular grooveAction: extend adduct and rotate the arm
Flexor digitorum superficialis
Origin: medial epicondyle of the humerus, coronoid process of ulna, shaft of radius
Insertion: middle phalanges of 2nd to 5th digit
Action: flexes hand at wrist, flexes proximal interphalangeal joints
Tensor fasciae(e) latae
Origin: anterior superior iliac spine, iliac crest
Insertion: iliotibial tract
Action: flexes thigh at hip, abducts thigh, rotates thigh medially
What is the function of elastic connective tissue?
being stretchy
bottom of feet -> inferior part of the foot
triceps surae
this is actually 2 muscles that shape the sural ("calf") region and share a common insertion on the calcaneus via the calcaneal tendon: gastrocnemius and the soleus
Extensor carpi radialis brevis
Origin: lateral epicondyle of the humerus
Insertion: 3rd metacarpal
Action: extends hand at wrist, abducts hand
Elastic connective tissue is found where?
large arteries, bronchial tubes
Which system controls the body by means of chemical molecules called hormones?
The endocrine system
Deltoid, Gluteus Medius, Vastus Lateralis
Muscles that serve as the preferred sites for intramuscular injections because of their large sizes, rich blood supplies, and little danger of damaging major nerves or blood vessels. Vastus lateralis-preferred site for injections for toddlers and small infants.)
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