Rabbit Muscular

March 18, 2020 | Author: Anonymous | Category: Vertebral Column, Musculoskeletal System, Limbs (Anatomy), Soft Tissue, Human Anatomy
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RABBIT MUSCULAR SYSTEM MUSCLE NAME

ORIGIN

INSERTION

ACTION

Musles of the abdominal wall External oblique Internal oblique

Transverse

Rectus abdominis

Lumbodorsal fascia and posterior ribs

Extensive nuerosis passing thru the linea alba

Constrictor of the abdomen

Second sheet of the lumbodorsal fascia, posterior ribs, and inguinal ligament

Linea alba by extensive aponeurosis

Compressor of the abdomen

Sternum and costal cartilages

Retracts ribs and sternum and compresses abdomen

Anterior end of pubic symphysis

Epaxial muscles Muscles of the chest Pectoralis major

Whole length of the sternum

Pectoralis primus (anterior end of pec. major)

Manubrium of the sternum

Pectoralis minor

Manubrium

Humerus

Draws the arm toward the chest

Clavicle and spine of scapula

Draws arm and shoulder toward the chest

Muscles of the neck and throat Special portion of the platysma (depressor conchae posterior) Sternohyoid

Manubrium of the sternum

Anterior horn of the hyoid

Draws the hyoid posteriorly or raises the sternum

Sternomastoid

Ventral to the manubrium of the sternum

Mastoid process of the skull

Singly turn the head, together depress the head on the neck

Cleidomastoid

Mastoid region of the skull

Clavicle

Basioclavicularis

Occipital bone

Elevates clavicle or turns the head

Clavodeltoid

Clavicle

Humerus

Raises the humerus

Masseter

Zygomatic arch

Outer surface of the posterior end of the mandible

Closes the lower jaw (elavator of the jaw)

Digastric

Occipital bone

Ventral surface of

Opens the jaw

the mandible

Mylohyoid

Mandible

Median ventral line and the hyoid

Raises the floor of the mouth and brings the hyoid forward

Sternothyroid

Sternum

Thyroid cartilage

Pulls the larynx posteriorly

Thyrohyoid

Raises the larynx

Muscles of the upper back and shoulder and back of the neck Lattisimus dorsi

Lumbodorsal fascia and posterior ribs

Crest on the medial side of the humerus

Draws the arm caudad and dorsad

Anterior trapezius

External occipital protuberance of the skull and ligament in the middorsal line

Metacromion process and nearby muscles and fascia

Draws the scapula and limb upward and forward

Posterior trapezius

Lumbodorsal fascia and the neural spines of the thoracic vertebrae

Spine of the scapula

Draws the scapula dorsally

Metacromion process

Pulls the scapula anteriorly

Rhomboideus

Middorsal ligament of the neck and succeeding neural spines

Vertebral border of the scapula

Draws scapula toward vertebral column

Splenius

Middorsal line of neck and adjacent fascia

Occipital region of the skull and atlas

Singly turns the head, together raise the head

Supraspinatus

Supraspinous fossa

Greater tuberosity of the humerus

Extends the humerus

Humerus

Raises the humerus

Extends the humerus

Levator scapulae ventralis or major

Deltoids (3): 2nd deltoid

Acromion process

3rd deltoid

Fascia of the muscle filling the infraspinous fossa

Infraspinatus

Infraspinous fossa and spine

Greater tuberosity of the humerus

Teres major

Dorsal half of the axillary border of the scapula

Humerus

Teres minor

Ventral half of the axillary border of the scapula

Greater tuberosity of the humerus

Rhomboideus capitis (or levator scapulae minor)

Side of the skull above the tympanic bulla

Posterior end of the vertebral border on the

Draws humerus against body and rotates it

Draws scapula craniad and

Subscapularis

Serratus ventralis

Medial surface of the scapula Anterior transverse processes of the cervical vertebrae Posterior - seven slips from the ribs

medial side

rotates it

Lesser tuberosity of the humerus

Pulls the humerus toward the median ventral line

Vertebral border of the scapula above the subscapularis

Draws scapula forward, backward, or against the body

Raise the ribs and bend the neck

Scalenes Serratus dorsalis

Tendon from the median dorsal line

Ribs*

Raises the ribs craniad

External intercostal

Posterior margins of the vertebral ribs

Anterior margins of the succeeding vertebral ribs

Pulls the ribs forward

Internal intercostal

Margins of the vertebral and sternal ribs

Lower the ribs

Epaxial muscles of the thorax The muscles of the upper arm Triceps brachii (3 heads): Long head Lateral head

Scapula, from the axillary border Greater tuberosity of the humerus

Medial head

Dorsal surface of the humerus

Epitrochlearis or extensor antibrachii

Fascia on the lower part of the medial surface of the long head of the triceps

Biceps brachii

Glenoid fossa

Brachialis

Ventral and lateral surface of the humerus

Olecranon

Great extensors of the forearm

Radius and ulna

Flexor of the forearm

The muscles of the thigh Tensor fasciae latae Biceps femoris (2 heads): Smaller anterior head

Ilium Neural spines of adjacent vertebrate

Larger posterior head

Ischial tuberosity

Gluteus maximus

Fascia of the

In the fascia

Tightens the fascia

By a tendon on the knee-cap and on the fascia of the shank

Abductor of the thigh and flexor of the shank

Third trochanter

Abducts the thigh

sacrum and part of the ilium Gluteus medius

Crest and anterior part of the ilium

Vastus lateralis

Greater trochanter dorsal to the insertion of the gluteus medius

Vastus intermedius

Greater trochanter and surface of the femur

Rectus femoris

Ilium and the fascia lata and is fused with the fibers of the tensor fasciae latae

Greater trochanter

Tibia and the patella and the tendon which extends over the patella

Powerful extension of the shank

Inguinal ligament

Tibia

Adductor of the thigh, rotator of the thigh, extensor of the shank

Gracilis

Pubic symphysis

Fascia of the distal portion of the thigh and proximal portion of the shank

Adductor of the leg

Adductor longus (anterior muscle) and adductor magnus (posterior muscle)

Various parts of the ischium

Femur

Adductor of the thigh

Semitendinosus

Ischial tuberosity

Medial condyle of the tibia

Semimembranosus

Fascia over the biceps and ischial tuberosity

Gracilis in the fascia of the shank

Tibialis anterior

Lateral condyle and tuberosity of the tibia

Second metatarsal

Peroneus

Tibia and fibula

Metatarsals Tendon of Achilles

Gastrocnemius

Lateral and medial condyles of the femur and tibia

Soleus

Head of the fibula

Plantaris

Lateral condyle of

Vastus medialis

Sartorius

Femur

Flexor of the shank

Flexor of the foot

Extensor of the foot

the femur

View more...

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