FINAL Mink Origin, Insertion, and Function Flashcards
masseter
Origin: Zygomatic arch
Insertion: Masseteric fossa of mandible
Function: elevates mandible
Mylohyoid
Origin: mandible
Insertion: median raphe
Function: raises floor of mouth
Genioglossus
Origin: mandibular symphysis
Insertion: tongue
Function: manipulates tongue
Geniohyoid
Origin: mandibular symphysis
Insertion: hyoid apparatus
Function: pulls tongue and hyoid forward
Sternohyoid
Origin: Cartilage of first rib
Insertion: Basihyal
Function: pulls tongue backward
Sternomastoid
Origin: Sternum
Insertion: Occiput
Function: turns head
clavotrapezius
Origin: occiput and dorsal midline of neck
Insertion: clavical
Function: pulls humerus forward
pectoralis major
Origin: sternum
Insertion: pectoral ridge of humerus
Function: adducts forelimb
Pectoralis minor
Origin: sternum
Insertion: pectoral ridge of humerus
Function: adducts forelimb
cleidomastoid
Origin: clavicle
Insertion: occiput
Function: turns head
acromiotrapezius
Origin: Sprine of axis to spinous process of 4th thoracic vertebra
Insertion: acromion process of scapula
Function: adducts and stabilizes scapula
spinotrapezius
Origin: dorsal midline of thorax
Insertion: scapular spine
Function: rotates scapula backwards
Dorsoepitrochlearis
Origin: Latissimus Dorsi and teres major
Insertion: Ulna
Function: extends elbow
Brachialis
Origin: humerus
Insertion: ulna
Function: flexes elbow
Rhomboideus capitis
Origin: Super nuchal line
Insertion: angle of scapula
Function: draws scapula craniad
Atlantoscapularis
Origin: Atlas
Insertion: Scapula
Function: Pulls scapula forward
Levator scapulae ventralis
Origin: Atlas
Insertion: scapula
Function: Pulls scapula forward
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
