Insertions and Origins of the muscles of the cat - Posterior View Flashcards
Clavotrapezius - Origin
Skull and axis
Clavotrapezius - Insertion
Clavicle
Clavotrapezius - Action
Elevates scapula
Acromiotrapezius - Origin
Spinous processes of C1-7, T1
Acromiotrapezius - Insertion
Scapula
Acromiotrapezius - Action
Retracts scapula
Spinotrapezius - Origin
Spinous processes of T1-T12
Spinotrapezius - Insertion
Scapula
Spinotrapezius - Action
Depresses scapula
Clavodeltoid - Origin
Clavicle
Clavodeltoid - Insertion
Ulna
Clavodeltoid - Action
Flexes humerus
Acromiodeltoid - Origin
Acromion process of scapula
Acromiodeltoid - Insertion
Humerus
Acromiodeltoid - Action
Flexes and medially rotates humerus
Spinodeltoid - Origin
Spine of scapula
Spinodeltoid - Insertion
Humerus
Spinodeltoid - Action
Flexes and laterally rotates humerus
Latissimus dorsi - Origin
T6-L5, ribs 10-12, iliac crest, thoracolumbar fascia
Latissimus dorsi - Insertion
Humerus
Latissimus dorsi - Action
Adducts, extends, medially rotates humerus; depresses scapula
Levator scapulae ventralis - Origin
C 1-4
Levator scapulae ventralis - Insertion
Scapula
Levator scapulae ventralis - Action
Elevates and medially rotates scapula
Rhomboideus - Origin
Spinous process of T1-12
Rhomboideus - Insertion
Medial border of scapula
Rhomboideus - Action
Retracts scapula
Supraspinatus - Origin
Supraspinous fossa of scapula
Supraspinatus - Insertion
Greater tubercle of humerus
Supraspinatus - Action
Abducts humerus
Infraspinatus - Origin
Infraspinous fossa of scapula
Infraspinatus - Insertion
Greater tubercle of humerus
Infraspinatus - Action
Laterally rotates humerus
Gluteus medius - Origin
Ilium
Gluteus medius - Insertion
Greater trochanter of femur
Gluteus medius - Action
Abducts and medially rotates thigh
Gluteus maximus - Origin
Iliac crest, sacrum, coccyx
Gluteus maximus - Insertion
Femur, iliotibial tract
Gluteus maximus - Action
Extension, abduction and lateral rotation of thigh
Caudofemoralis - Origin
Caudal vertebrae
Caudofemoralis - Insertion
Patella
Caudofemoralis - Action
Abducts thigh; flexes vertebral column
Biceps femoris - Origin
Femur and Ischial tuberosity
Biceps femoris - Insertion
Fibula, lateral condyle of tibia
Biceps femoris - Action
Flexes leg (knee); extends thigh
Gastrocnemius - Origin
Medial and lateral condyles of femur
Gastrocnemius - Insertion
Calcaneus via calcaneal tendon
Gastrocnemius - Action
Flexes leg (knee); plantar flexes foot
Soleus - Origin
Proximal portion of tibia and fibula, interosseus membrane
Soleus - Insertion
Calcaneus via calcaneal tendon
Soleus - Action
Plantar flexes foot
Calcaneal Tendon - Origin
Gastrocnemius, soleus
Calcaneal Tendon - Insertion
Calcaneus/calcaneal bone
Calcaneal Tendon - Action
Attaches gastrocnemius and soleus to calcaneal bone