BIO 102 Lab

Origin

Insertion

Action

Lumbodorsal fascia and posterior ribs 2nd sheet of lumbodorsal fascia and border of pelvic girdle 2nd sheet of lumbodorsal fascia and border of pelvic girdle Anterior end of pubic symphysis

Pubis and Extensive neurosis which passes to the linea alba

Constrictor of the Abdomen

Linea alba by the extensive aponeurosis

Compressor of the Abdomen

Linea alba by the extensive aponeurosis

Compressor of the Abdomen

Sternum and costal cartilages

Retracts ribs and sternum and compreses abdomen

Various parts of more posterior sacral, lumbar, thoracic and cervical vertebrae

Neural processes of more anterior vertebrae

Acting singly- flexes vertebral column laterally Acting with other side multifidus- extends vertebral column

Sacral and caudal vertebrae

More anterior lumbar, sacral and caudal vertebrae

Extends vertebral column

Ilium and deep layer of thoracolumbar fascia

More anterior lumbar and thoracic vertebrae

Extends vertebral column

Cervical and more anterior thoracic vertebrae

Extends vertebral column

Mastoid process of temporal

Flexes head laterally

Lateral surface of more anterior ribs

Draws ribs together

Abdominal Muscles External Oblique Internal Oblique

Transversus Rectus Abdominis Epaxial Muscles

Multifidus Spinae

Longissimus dorsi (Sacrospinalis) Medial Division Longissimus dorsi (Sacrospinalis) Lateral Division Spinalis dorsi (Semispinalis) Longissimus Cervicis Iliocostalis

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Neural spines of 10 -13 thoracic vertebrae th th Prezygapophyses of 4 -7 cervical vertebrae Lateral surface of ribs

Chest Muscles

Pectoralis Major

Sternum and median raphe

Flat tendon on the fascia of the forearm Humerus

Pectoralis Minor

Sternum

Humerus

Draws arm towards the chest

Xiphoid process of sternum

Humerus

Draws arm towards the chest

Pectoantibrachialis

Xiphihumeralis Neck and Throat Muscles Sternomastoid Sternohyoid Cleidomastoid Clavobrachialis (Cephalobrachial) Masseter Temporalis Digastric

Manubrium

Median Raphe and Manubrium of sternum First costal cartilage

Lambdoidal ridge and mastoid process Body of hyoid bone

Draws arm towards the chest Draws arm towards the chest

Singly turns the head, together depresses head on neck Draw hyoid posteriorly Pulls clavicle craniad, singly turns head, lowers head on neck

Clavicle

Mastoid process

Clavicle and fibers of Clavotrapezius

Ulna

Flexor of forearm

Zygomatic arch

Posterior half of lateral surface of mandible

Elevator of lower jaw

Coronoid process of mandible

Elevator of lower jaw

Mandible

Side of skull from superior nuchal line to zygomatic process of frontal bone Jugular and mastoid process

Mylohyoid

Mandible

Median raphe

Geniohyoid

Mandible near symphysis

Body of hyoid bone

Depressor of lower jaw Raises floor of mouth and brings hyoid forward Draws hyoid forward

Sternum

Thyroid cartilage of the larynx

Pulls larynx posteriorly

Thyroid cartilage

Posterior horn of hyoid

Raises the larynx

Neural spines of the last thoracic and most of lumbar vertebra and lumbodorsal fascia

Medial surface of the humerus

Pulls forelimb dorsally and caudally

Sternothyroid Thyrohyoid U.Back/Shoulder/Back of Neck Muscles Latissismus dorsi

Spinotrapezius Acromiotrapezius Clavotrapezius (Cephalobrachial) Levator scapulae ventralis Rhomboideus

Neural spines of thoracic vertebra Neural spines of cervical and 1st thoracic vertebra Superior nuchal line and median dorsal line of neck Transverse process of atlas and occipital bone Neural spines of vertebrae and adjacent ligaments

Fascia of the scapula Metacromion process and spine of scapula and fascia of spinotapezius Clavicle

Draws scapula dorsad and caudad Draws scapula dorsad and holds two scapula together Draws clavicle dorsad and craniad

Metacromion process

Draws scapula craniad

Vertebral border of scapula

Draws scapula dorsad

Superior nuchal line

Scapula

Middorsal line and fascia

Superior nuchal line

Draws scapula craniad and rotates it Raises or turns the head

Supraspinatus

Supraspinous fossa

Greater tuberosity of humerus

Extends humerus

Acromiodeltoid

Acromion process

Surface of muscles of the shoulder

Raise and rotate the humerus

Rhomboideus capitis Splenius

Spinodeltoid

Spine of scapula

Deltoid ridge of humerus

Raise and rotate the humerus

Infraspinatus

Infraspinous fossa

Greater tuberosity of humerus

Teres major

Axillary border of scapula

Medial surface of humerus

Teres minor

Axillary border of scapula

Greater tuberosity of humerus

Subscapular fossa

Lesser tuberosity of humerus

Serratus Ventralis

First nine or ten ribs

Scapula near vertebral border

Levator Scapulae

Transverse process of last five cervical vertebra

Scapula near vertebral border

Rotates the humerus Rotates the humerus and lowers it Assists the infraspinatus (rotates the humerus) Pulls humerus medially Draws scapula craniad, ventrad and against thoracic wall Draws scapula craniad, ventrad and against thoracic wall

Serratus Dorsalis

Aponeurosis from median dorsal line

Last ribs

Draws ribs forward Draws ribs forward and bends the neck Draws ribs forward

Subscapularis

Scalenes

Ribs

External Intercostals

Ribs

Transverse process of cervical vertebra Ribs

Internal Intercostals

Ribs

Ribs

Draws ribs back

Axillary border of scapula

Olecranon

Extensor of forearm

Dorsal surface of the humerus

Olecranon

Greater tuberosity of the humerus

Olecranon

Distal end of humerus

Lateral surface of ulna

Epithroclearis

Latissimus dorsi

Olecranon

Biceps brachii

Glenoid fossa

Radius

Strengthens the elbow joint and rotates the ulna Extensor of forearm, rotates the ulna Flexor of forearm

Lateral surface of the humerus

Ulna

Flexor of forearm

Proximal end of 5th metacarpal

Extends fifth digit and ulnar side of wrist

Three or four digits

Extends the digits

Three or four digits

Extends the digits

2nd and 3rd metacarpals

Extends hand Rotates radius to prone position Flexes the metacarpals

Arm Muscles Triceps brachii (Long head) Triceps brachi (Medial head) Triceps brachii (Lateral head) Anconeus

Brachialis

Extensor of forearm Extensor of forearm

Forearm Muscles

Extensor digitorum lateralis Extensor digitorum communis Extensor carpi radialis

Lateral epicondyle of the humerus and semilunar notch of the ulna Lateral surface of humerus above lateral epicondyle Lateral surface of humerus above lateral epicondyle Humerus

Pronator teres

Medial epicondyle of humerus

Radius

Flexor carpi radialis

Medial epicondyle of humerus

Palmaris longus

Medial epicondyle of humerus

2nd and 3rd metacarpals Flat tendon passes to pads of palm and phalanges

Extensor carpi ulnaris

Flexor of digits

Flexor profundus digitorum Flerox carpi ulnaris Brachioradialis

Ulna and humerus

Basal phalanges

General flexor of fingers

Medial epicondyle of humerus/olecranon process of ulna

Pisiform bone of the wrist

Middle of humerus

Lower end of radius and adjacent ligaments

Rotates hand to supine position

Fascia lata Tendon on kneecap and fascia of the shank

Tightens fascia lata Abductor of the thigh and flexor of the shank Abductor of thigh and extensor of shank

Flexes the ulnar side of wrist

Thigh Muscles Tensor fasciae latae Biceps femoris

Ilium Tuberosity of ischium

Rectus femoris

Transverse process of second and third caudal vertebra Transverse proces last sacral and first caudal vertebra Crest of ilium and lateral part of ilium, Transverse proces last sacral and first caudal vertebra Crest and ventral border of ilium Greater trochanter and surface of femur Ilium near acetabulum

Vastus medialis

Femur

Patella and adjacent ligaments

Extensor of shank

Surface of femur

Patella and adjacent ligaments

Extensor of shank

Ischial and Pubic symphysis

Aponeurosis which passes to tibia

Adductor of leg

Adductor longus

Pubis

Femur

Adductor of thigh

Adductor femoris

Pubis

Femur Medial epicondyle of femur and proximal end of tibia Tibia

Adductor of thigh

Caudofemoralis Gluteus maximus Gluteus medius Sartorius Vastus lateralis

Vastus intermedius Gracilis

Semimembranosus Semitendinosus Tenuissimus

Ischium Ischial tuberosity Transverse process of 2nd caudal vertebra

Patella Fascia lata and Greater trochanter

Abducts the thigh

Greater trochanter

Abducts the thigh

Tibia and patella

Adductor of thigh,rotator of thigh, extensor of shank

Patella and adjacent ligaments

Extensor of shank

Patella and adjacent ligaments

Extensor of shank

Extensor of thigh Flexor of shank

Fascia of the shank

Shank Muscles Tibialis anterior Extensor digitorum longus Peroneus Gastrocnemius Soleus Plantaris Flexor digitorum longus Tibialis posterior

Proximal parts of tibia and fibula

1st metatarsal

Flexor of foot

Lateral epicondyle of femur

Digits

Extensor of digits

Fibula Demur and tendon and fascia of plantaris Fibula

Metatarsals and digits

Extensor and flexor of foot

Calcaneus

Extensor of foot

Calcaneus

Extensor of foot

Patella and femur

Calcaneus

Flexor of digits

Tibia and fibula

Digits

Flexor of digits

Fibula, tibia and fascia

Scaphoid and medial cuneiform

Extensor of foot

Prepared by: Sir JM Matulac © 2012