click below
click below
Normal Size Small Size show me how
Cat Muscles
Anatomy of Cat, Muscles
Question | Answer |
---|---|
Masseter | Elevates mandible. Origin: Zygomatic arch & maxilla. Insertion: Angle & ramus of mandible. SAME in humans |
Diagastric | Depressor of mandible. Origin: Lower margin of mandible & mastoid process. Insertion: Hyoid bone (by connective tissue loop). SAME in humans |
Mylohyoid | Raises floor of mouth. Origin: Medial surface of mandible. Insertion: Hyoid bone & mediam raphe. SAME in humans |
Clavotrapezius | Draws clavicle dorsally & anteriorly. Origin: Scapula. Insertion: Clavicle. TRAPEZIUS in humans |
Pectoantebrachialis | Adducts arm. Origin: Manubrium. Insertion: Forearm. CAT ONLY |
Pectoralis Major | Adducts humeris. Origin: Sternum. Insertion: Humerus. SAME in humans |
Pectoralis Minor | Adducts humeris. Origin: Anterior surface of ribs 3-5. Insertion: Coracoid process of scapula. SAME in humans |
Xiphihumeralis | Adducts humerus. Origin: Xiphoid process. Insertion: Humeris. CAT ONLY |
Serratus Ventralis | Pulls the scapula toward the sternum. Origin: Cervical vertebrae & ribs. Insertion: Scapula. SERRATUS ANTERIOR in humans |
External Oblique | Constricts abdomen. Origin: Anterior surface of last 8 ribs. Insertion: Binea alba, pubic crest & tubercles, & illiac crest. SAME in humans |
Transverse Abdominus | Compresses abdomen. Origin: Inguinal ligament, illiac crest, cartilages of last 5-6 ribs, lumbar fascia. Insertion: Linea alba & pubic crest. SAME in humans |
Internal Oblique | Compresses abdomen. Origin: Lumbar fascia, illiac crest, & inguinal ligament. Insertion: Linea alba, pubic crest & cartilages of last 3 ribs. SAME in humans |
Rectus Abdominus | Retracts ribs & sternum, compresses abdomen. Origin: Pubic crest & symphysis. Insertion: Xiphoid process & cartilages of ribs 5-7. SAME in humans |
Clavotrapezius | Draws clavicle dorsally & anteriorly. Origin: Scapula. Insertion: Clavicle. TRAPEZIUS in humans |
Acromiotrapezius | Draws scapula medially. Orgin: Scapula. Insertion: Scapular spine. TRAPEZIUS in humans |
Spinotrapezius | Draws scapula medially & posterially toward tail. Origin: Scapula. Insertion: Scapular spine. TRAPEZIUS in humans |
Levator Scapulae Ventralis | Draws scapula cranially, ventrally, & against thoracic wall. Origin: Cervical vertebrae. Insertion: Scapula. LEVATOR SCAPULAE in humans |
Latissimus Dorsi | Retracts humerus dorsally & posteriorly. Origin: Spinous processes of thoracic vertebrae, lumbar vertebrae, last 3-4 ribs, & illiac crest. Insertion: Floor of intertubercular groove of humerus. SAME in humans |
Clavodeltoid/Clavobrachialis | Flexes forearm. Origin: Clavicle. Insertion: Humerus. DELTOID in humans |
Acromiodeltoid | Raises & rotates humerus. Origin: Scapula. Insertion: Humerus. DELTOID in humans |
Spinodeltoid | Raises & rotates humerus. Origin: Scapula. Insertion: Humerus. DELTOID in humans |
Triceps (long, medial, lateral) | Extend forearm. Origin: Humerus. Insertion: Ulna. SAME in humans |
Biceps Brachii | Flexes forearm. Origin: Scapula (coracoid process). Insertion: Radius. SAME in humans |
Brachialis | Flexes forearm. Origin: Humerus. Insertion: Ulna. SAME in humans |
Brachioradialis | Synergist in forearm flexion. Origin: Humerus. Insertion: Radius. SAME in humans |
Gluteus Medius | Abducts thigh. Origin: Illium of pelvic bone. Insertion: Femur. SAME in humans |
Gluteus Maximus | Abducts thigh. Origin: Illium, Sacrum, & Coccyx. Insertion: Femur. SAME in humans |
Caudofemoralis | Abducts thigh, extends shank. Origin: Caudal vertebrae. Insertion: Patella. CAT ONLY |
Biceps Femoris | Abducts thigh, flexes shank. Origin: Femur. Insertion: Fibula & tibia. SAME in humans |
Tensor Fasciae Latae | Tightens fasciae latae, extends thigh. Origin: Iliac crest of pelvic bone. Insertion: Illiotibial tract. SAME in humans |
Semimembranous | Extends thigh. Origin: Ischium of pelvic bone. Insertion: Tibia & femur. SAME in humans |
Semitendinosus | Flexes shank. Origin: Ischium of pelvic bone. Insertion: Tibia. SAME in humans |
Sartorius | Adducts & rotates thigh, extends shank. Origin: Iliac. Insertion: Tibia. SAME in humans |
Gracilis | Adducts & retracts leg. Origin: Pubis of pelvic bone. Insertion: Tibia. SAME in humans |
Adductor Femoris | Adducts thigh. Origin: Ischium. Insertion: Femur. ADDUCTOR MAGNUS & BRAVIS in humans |
Adductor Longus | Adducts thigh. Origin: Pubis of pelvic bone. Insertion: Femur. SAME in humans |
Recturs Femoris | Extends shank. Origin: Illium of pelvic bone. Insertion: Tibia & Patella. QUADRICEPS FEMORIS in humans |
Vastus Lateralis | Extends shank. Origin: Femur. Insertion: Tibia & Patella. QUADRICEPS FEMORIS in humans |
Vastus Medialis | Extends shank. Origin: Femur. Insertion: Tibia & Patella. QUADRICEPS FEMORIS in humans |
Gastrocnemius | Extends foot. Origin: Femur. Insertion: Calcaneal tendon. TRICEPS SURAE in humans |
Soleus | Extends foot. Origin: Tibia & Fibula. Insertion: Calcaneal tendon. TRICEPS SURAE in humans |
Achilles Tendon (Calcaneal tendon) | Attaches gastrocnemius & soleus to calcaneus. Origin: Gasronemius & Soleus. Insertion: Calcaneus. SAME in humans |
Tibialis Anterior | Flexes foot. Origin: Tibia. Insertion: Cuneiform & metatarsal 1. SAME in humans |
Extensor Digitorum Longus | Extends phalanges. Origin: Tibia & Fibula. Insertion: Middle & distal phalanges of toes 2-5. SAME in humans |
Peroneus Muscles (longus, bravis, tertius) | Extends foot & flexes phalanges. Origin: Fibula. Insertion: Metatarsals. FIBULARIS LONGUS, BRAVIS, TERTIUS |
Flexor Digitorum Longus | Flexes & inverts foot. Origin: Tibia. Insertion: Distal phalanges of toes 2-5. SAME in humans |