FINAL Mink Origin, Insertion, and Function Flashcards by Jacob Dickman

masseter

Origin: Zygomatic arch
Insertion: Masseteric fossa of mandible
Function: elevates mandible

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Mylohyoid

Origin: mandible
Insertion: median raphe
Function: raises floor of mouth

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Genioglossus

Origin: mandibular symphysis
Insertion: tongue
Function: manipulates tongue

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Geniohyoid

Origin: mandibular symphysis
Insertion: hyoid apparatus
Function: pulls tongue and hyoid forward

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Sternohyoid

Origin: Cartilage of first rib
Insertion: Basihyal
Function: pulls tongue backward

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Sternomastoid

Origin: Sternum
Insertion: Occiput
Function: turns head

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clavotrapezius

Origin: occiput and dorsal midline of neck
Insertion: clavical
Function: pulls humerus forward

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pectoralis major

Origin: sternum
Insertion: pectoral ridge of humerus
Function: adducts forelimb

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Pectoralis minor

Origin: sternum
Insertion: pectoral ridge of humerus
Function: adducts forelimb

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cleidomastoid

Origin: clavicle
Insertion: occiput
Function: turns head

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acromiotrapezius

Origin: Sprine of axis to spinous process of 4th thoracic vertebra
Insertion: acromion process of scapula
Function: adducts and stabilizes scapula

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spinotrapezius

Origin: dorsal midline of thorax
Insertion: scapular spine
Function: rotates scapula backwards

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Dorsoepitrochlearis

Origin: Latissimus Dorsi and teres major
Insertion: Ulna
Function: extends elbow

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Brachialis

Origin: humerus
Insertion: ulna
Function: flexes elbow

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Rhomboideus capitis

Origin: Super nuchal line
Insertion: angle of scapula
Function: draws scapula craniad

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Atlantoscapularis

Origin: Atlas
Insertion: Scapula
Function: Pulls scapula forward

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Levator scapulae ventralis

Origin: Atlas
Insertion: scapula
Function: Pulls scapula forward

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Splenius

Origin: Spine of first thoracic vertebrae
Insertion: Lambdoidal ridge of SKULL
Action: elevates the head

Triceps brachii

Origin: humerus/axillary border of scapula
Insertion: Olecranon process (ulna)
Function: Extends forearm

Biceps brachii

Origin: Cranial edge of coracoid process of SCAPULA
Insertion: Bicipital tuberosity of RADIUS
Function: Flexes forelimb

External abdominal oblique

Origin: Caudal ribs and lumbodorsal fascia
Insertion: Linea alba
Function: Compresses abdomen and flexes trunk

longus colli

Origin: first six thoracic vertebrae and transverse process of cervical vertebrae
Insertion: Transverse process of 6th cervical vertebra and centra of cranial cervical vertebrae
Action: Bends neck ventrally and laterally

transversus abdominis

Origin: illium, lumbar vertebrae, and posterior ribs
insertion: linea alba
Function: compresses abdmominal viscera

Internal abdominal oblique

Origin: Pelvis and lumbodorsal fascia
Insertion: Aponeurosis on the linea alba
Function: Compresses abdominal viscera

Gluteus Maximus

Origin: Ilium and sacrum Insertion: femur near greater trochanter Action: abducts thigh

Caudofemoralis

Origin: Transverse processes of second and third caudal vertebrae Insertion: lateral surface of femur near patella Action: Abducts and extends thigh

tensor fascia lata (optional)

Origin: Ilium and fascia of surrounding hip muscles Insertion: Fascia latae covering gluteus medius and vastus lateralis Action: Extends hindlimb

Sartorius

Origin: ilium Insertion: patella, tibia and fascia of Knee Action: extends hindlimb, adducts thigh

Biceps femoris

Origin: tuberosity of ischium Insertion: Dorsal border of tibia and patella Action: abducts thigh, flexes hindlimb

Semitendinosus

Origin: Tuberosity of ischium Insertion: Crest of tibia Action: extends thigh and flexes hindlimb

Vastus lateralis

Origin: Greater trochanter of femur Insertion: Vastus medialis and rectus femoris Action: extends hindlimb

Rectus femoris

Origin: ilium Insertion: Tibial crest Action: Extends hindlimb

Rectus abdominis

Origin: pubic tubercle Insertion: 1st and 2nd costal cartilages and sternum Action: compresses abdomen and flexes trunk

Semimembranosus

Origin: Tuberosity and ramus of ischium Insertion: Medial epicondyle of femur Action: extends hip and adducts hindlimb

Gracilis

Origin: Pubis and ischium Insertion: Medial surface of knee and hindlimb Action: Adducts thigh

Vastus medialis

Origin: Shaft of femur Insertion: Patella and head of tibia Action: Extends hindlimb

Adductor longus

Origin: Pubis Insertion: Femur Action: Adducts thigh

Adductor femoris

Origin: ramus of pubis and ischium Insertion: Femur Action: adducts thigh

Latissimus Dorsi

Origin: Dorsal fascia of thorax Insertion: Medial surface of proximal humerus Action: Pulls humerus backward

Rhomboideus cervicis

Origin: Spines of first 4 thoracic (?) vertebrae and occiput Insertion: vertebral order of scapula Action: dras scapula dorsally

clavodeltoid

Origin: clavicle insertion: deltoid ridge of humerus Action: Pulls humerus forward

flexors of the forearm

Action: flexes wrist

Extensors of forearm

Extends wrist

masseter

Origin: Zygomatic arch Insertion: Masseteric fossa of mandible Function: elevates mandible