Rabbit Muscles OIA Flashcards
DERMAL
platysma
O: assorted
I: Skin of ears, eyelids, lips, other facial structures
A: Moving facial structures, ears
DERMAL
Panniculus carnosus / Cutaneous maximus
O: outer surface of latissimus dorsi, medial side of the humerus, linea alba, other ventral points
I: skin
A: shake the skin
ABDOMINAL
external oblique
O: Lumbodorsal fascia
I: Linea alba neurosis and inguinal ligament
A: Constrictor of abdomen
ABDOMINAL
internal oblique
O: second sheet of lumbodorsal fascia, posterior ribs, and inguinal ligament
I: Linea alba by extensive aponeurosis
A: Compressor of the abdomen
ABDOMINAL
transverse
O: second sheet of lumbodorsal fascia, posterior ribs, and inguinal ligament
I: Linea alba by extensive aponeurosis
A: Compressor of the abdomen
ABDOMINAL
rectus abdominis
O: anterior end of pubic symphysis
I: sternum and costal cartilages
A: retract ribs and sternum and compresses abdomen
EPAXIAL
multifidus spinae
Division of Epaxial Muscle: slender, narrow median portion
EPAXIAL
sacrospinalis
Division of Epaxial Muscle: very thick lateral portion
CHEST
pectoralis major
O: whole length of the sternum
I: humerus
A: draws the arm towards the chest
CHEST
pectoralis primus
O: manubrium of the sternum
I: humerus
A: draws the arm towards the chest
CHEST
pectoralis minor
O: manubrium
I: clavicle and spine of the scapula
A: draws arm and shoulder toward the chest
NECK & THROAT
sternohyoid
O: manubrium of the sternum
I: anterior horn of the hyoid
A: draws the hyoid posteriorly or raises the sternum
NECK AND THROAT
sternomastoid
O: ventral to the manubrium of the sternum
I: mastoid process of the skull
A: singly: turn the head, together: depress the head on the neck
NECK & THROAT
cleidomastoid
O: mastoid region of the skull
I: clavicle
A: elevates clavicle or turns the head
NECK & THROAT
basioclavicularis
O: occipital bone
I: clavicle (medial to that of the cleidomastoid)
A: elevates clavicle or turns the head
NECK & THROAT
clavodeltoid
O: clavicle
I: humerus
A: raise the humerus
NECK & THROAT
masseter
O: zygomatic arch
I: outer surface of the posterior end of the mandible
A: closes the lower jaw / elevator of the jaw
NECK & THROAT
digastric
O: occipital bone
I: ventral surface of the mandible
A: opens the jaw / depressor of the jaw
NECK & THROAT
mylohoid
O: mandible
I: median ventral line (raphe) and the hyoid
A: raises the floor of the mouth and brings the hyoid forward
NECK & THROAT
sternothyroid
O: sternum
I: thyroid cartilage
A: pulls the larynx posteriorly
NECK & THROAT
thyrohyoid
O: thyroid cartilage
I: hyoid
A: raises the larynx
BACK
latissimus dorsi
O: lumbodorsal fascia, posterior ribs
I: crest on the medial side of the humerus
A: draws the arm caudad and dorsad
BACK
anterior trapezius
O: external occipital protuberance of the skull and ligament in the middorsal line
I: metacromion process, nearby muscles and fascia
A: draws the scapula and limb upward and forward
BACK
posterior trapezius
O: lumbodorsal fascia, neural spines of the thoracic vertebrae
I: spine of the scapula
A: draws the scapula dorsally
BACK
levator scapulae ventralis/major
O: ventral surface of the skull at the suture between occipital and basisphenoid
I: metacromion process in common with anterior trapezius
A: pulls the scapula anteriorly
BACK
rhomboideus
O: middorsal ligament of the neck and succeeding neural spines
I: vertebral border of the scapula
A: draws scapula toward vertebral column
BACK
splenius
O: middorsal line of the neck and adjacent fascia
I: occipital region of the skull and atlas
A: singly: turns the head, together: raise the head
BACK
supraspinatus
O: supraspinous fossa
I: greater tuberosity of the humerus
A: extends the humerus
BACK
2nd deltoid
O: acromion process
I: humerus
A: raises the humerus
BACK
3rd deltoid
O: fascia of the muscle which fills the infraspinous fossa
I: similar to 2nd deltoid - humerus
A: similar to 2nd deltoid - raises the humerus
BACK
infraspinatus
O: infraspinous fossa and spine
I: similar to supraspinatus: greater tuberosity of the humerus
A: similar to supraspinatus: extends the humerus
BACK
teres major
O: dorsal half of the axillary border of the scapula
I: on the humerus in common with the latissimus dorsi
A: draws humerus against body and rotates it
BACK
teres minor
O: ventral half of the axillary border of the scapula
I: greater tuberosity of the humerus
A: similar to teres major: draws humerus against body and rotates it
BACK
rhomboideus capitis/ levator scapulae minor
O: side of the skull above the tympanic bulla
I: posterior end of the vertebral border on the medial side
A: draws the scapula craniad and rotates it
BACK
subscapularis
O: medial surface of the scapula
I: lesser tuberosity of the humerus
A: pulls the humerus toward the median ventral line
BACK
serratus ventralis
O: anterior/cervical portion - transverse processes of the cervical vertebrae;
posterior/thoracic portion - seven slips from the ribs
I: vertebral border of the scapula above the subscapularis
A: draws the scapula forward, backward, or against the body
BACK
scalenes
O:
I:
A: raise the ribs and bend the neck
BACK
serratus dorsalis
O: tendon from the median dorsal line of the neck
I: inserted on the ribs by slips
A: raises the ribs craniad
BACK
external intercostals
O: posterior margins of the vertebral ribs
I: anterior margins of the succeeding vertebral ribs
A: pulls the ribs forward
BACK
internal intercostals
O: margins of the vertebral and sternal ribs
I: margins of the vertebral and sternal ribs
A: internal - lower the ribs
BACK
semispinalis dorsi
Division of Epaxial Muscles of Thorax: median portion next to the median dorsal line
BACK
longissimus cervicis
Division of Epaxial Muscles of Thorax: very thick lateral portion
BACK
iliocostalis
Division of Epaxial Muscles of Thorax: ventral margin
UPPER ARM
triceps brachii
O: long head - scapula, from the axillary border;
lateral head - greater tuberosity of the humerus;
medial head - along the dorsal surface of the humerus
I: olecranon
A: extends the forearm
UPPER ARM
epitrochlearis/ extensor antibrachii
O: Medial surface of the long head of the triceps is a fascia from the lower part
I: olecranon
A: in common with the triceps - extends the forearm
UPPER ARM
biceps brachii
O: glenoid fossa
I: ulna and radius
A: flexes the forearm
UPPER ARM
brachialis
O: ventral and lateral surface of the humerus
I: in common with the biceps - ulna and radius
A: in common with the triceps - extends the forearm
FOREARM
extensor carpi ulnaris
O: lateral epicondyle of the humerus and semilunar notch of the ulna
I: proximal end of 5th metacarpal
A: extends 5th digit and ulnar side of wrist
FOREARM
extensor digitorum lateralis
O: lateral surface of humerus above the lateral epicondyle
I: tendons internal to wrist ligaments and splits into 3 or 4 tendons
A: extends 3 or 4 digits
FOREARM
extensor digitorum communis
O: above the extensor digitorum lateralis
I: similar to extensor digitorum lateralis
A: similar to extensor digitorum lateralis - extends 3 or 4 digits
FOREARM
brachioradialis/ supinator longus
O: about middle of the humerus
I: lower end of radius and adjacent ligaments
A: rotates hand to supine position
FOREARM
extensor carpi radialis
O: humerus near other extensors
I: 2nd and 3rd metacarpals
A: extends hand
FOREARM
pronator teres
O: medial epicondyle of the humerus
I: radius
A: rotates radius to prone position
FOREARM
flexor carpi radialis
O: medial epicondyle of humerus
I: 2nd and 3rd metacarpals
A: flexes these metacarpals (2nd and 3rd)
FOREARM
palmaris longus
O: medial epicondyle of humerus
I: flat tendon passes through wrist ligaments and divides into 4 or 5 tendons, which pass to pads of palm and phalanges
A: flexes the digits
FOREARM
flexor profundus digitorum
O: ulna and humerus
I: basal phalanges
A: general flexor of the fingers
FOREARM
flexor carpi ulnaris
O: one head - medial epicondyle of the humerus in common with one of the heads of flexor profundus digitorum;
other head - exposed olecranon process of the ulna
I: pisiform bone of the wrist
A: flexes ulnar side of wrist
THIGH
tensor fasciae latae
O: illium
I: in the fascia
A: tightens the fascia
THIGH
biceps femoris
O: Anterior head - Neural spines of adjacent vertebrae
Posterior head - Ischial tuberosity
I: By a tendon on the kneecap and on the fascia of the shank
A: Abductor of the thigh and flexor of the shank
THIGH
gluteus maximus
O: Fascia of the sacrum and part of the ilium
I: third trochanter
A: Abductor of the thigh
THIGH
gluteus medius
O: Crest and anterior part of the ilium
I: Greater trochanter
A: Abductor of the thigh
THIGH
vastus lateralis
O: Greater trochanter
I: Insertion of the rectus femoris muscle
A: Abductor of the thigh and flexor of crural fascia
THIGH
vastus intermedius
O: greater trochanter and surface of the femur
I: on the tibia and the patella and the tendon which extends over the patella
A: powerful extensor of the shank
THIGH
rectus femoris
O: 1st part - ilium and fascia lata;
2nd part - ilium in front of the acetabulum
I: on the tibia and the patella and the tendon which extends over the patella
A: powerful extensor of the shank
THIGH
vastus medialis
O: femur
I: on the tibia and the patella and the tendon which extends over the patella
A: powerful extensor of the shank
THIGH
satorius
O: inguinal ligament
I: tibia
A: adductor of the thigh
THIGH
gracilis
O: pubic symphysis
I: fascia of the distal portion of the thigh and proximal portion of the shank
A: adductor of the leg
THIGH
adductor longus
O: various parts of the ischium
I: femur
A: adductor of the thigh
THIGH
adductor magnus
O: various parts of the ischium
I: femur
A: adductor of the thigh
THIGH
semitendinosus
O: ischial tuberosity
I: medial condyle of the tibia
A: flexes the shank
THIGH
semimembranosus
O: fascia over the biceps and ischial tuberosity
I: with the gracilis in the fascia of the shank
A: flexes the shank
SHANK
tibialis anterior
O: lateral condyle and tuberosity of tibia
I: 2nd metatarsal
A: flexes the foot
SHANK
peroneus
O: tibia and fibula
I: metatarsals
A: flexes the foot
SHANK
gastrocnemius
O: lateral and medial condyles of the femur and tibia
I: by a strong tendon, tendon of Achilles, which passes over the heel (calcaneus)
A: entends the foot
SHANK
soleus
O: head of the fibula
I: by a strong tendon, tendon of Achilles, which passes over the heel (calcaneus)
A: extends the foot
SHANK
plantaris
O: lateral condyle of the femur
I: by a strong tendon, tendon of Achilles, which passes over the heel (calcaneus)
A: extends the foot
