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Muscle groups
| Question | Answer |
|---|---|
| What are all of the muscles of head/ muscles of mastication? What function do they allow? | Masseter, temporalis, pterygoid, digastricus, mylohyoideus; Chewing |
| What muscles of mastication close the jaw? | Masseter, temporalis, pterygoid |
| What muscles of mastication open the jaw? | digastricus |
| What muscle of mastication raises the floor of the mouth? | mylohyoideus |
| What are the muscles of the shoulder? what do they do? | The deltoid group: flex the shoulder, includes acromiodeltiod and spinodeltoid (also includes omotransversarius, which is not a deltoid, but is found next to them.) |
| What are the muscles of the cranial back? What do they do? | The trapezius group: Elevates and abducts the forelimb. Includes acromitrapezius and spinotrapezius. Also includes latissimus Dorsi (not trapezius muscle, but found near spinotrapezius) and Cutaneous trunci. |
| What are the muscles of the chest? What do they do? | Pectoral group(s): adducts thoracic limb; The superficial pectoral (includes descending and transverse) and deep pectoral. |
| What are the muscles of the abdominal group? | The rectus abdominis, the external abdominal oblique, the internal abdominal oblique, and the transverse abdominis. |
| What are the three muscle groups of the front leg? | Triceps group:, Brachial group, and the thoracic lower limb (thoracic lower limb has an extensor and flexor group) |
| Describe the triceps group of the front leg | Extends the elbow, flexes the shoulder; includes lateral head of triceps, long head of triceps, medial head of triceps, and intermediate head of the triceps. |
| Describe the brachial group of the front leg | Flex the elbow; Biceps brachii and brachialis. |
| Describe the thoracic lower limb group(s) of the front leg | Extensor group (includes common digital extensor) and flexor group |
| what are the muscles of the caudal back? | Epaxial group (includes longisimus dorsi) and Gluteal group; The gluteal group abducts the hind leg and includes middle gluteal, superficial gluteal, and deep gluteal. |
| What are the muscles groups of the hind leg? What do they do? | Quadriceps group: Extends the stifle; Hamstring group; Flexes the stifle joint; Adductor group: moves the limbs in toward the midline of the body; Abductor groups: moves the limbs away from the midline of the body |
| What are some examples of the muscle groups of the hind leg? (excluding abductor) | Quadriceps: Vastus lateralis, vastus medialis, vastus intermedius, rectus femoris; Hamstring: Biceps femoris, semi-tendinosis, semi-membranosis; Adductor: Pectineus, adductor femoris, gracilis; |
| What is included in the abductor group of the hind leg muscles? | - Gluteals: Superficial gluteal, deep gluteal, and middle gluteal; - Biceps femoris. |
| What are some intramuscular injection sites of the horse? | Hamstrings, Side of Neck (Serratus ventralis, Brachiocephalicus, Trapezius) and Pectoral muscles [Note: DO NOT inject into gluteals] |
| What are some intramuscular injection sites of cattle? | Lateral neck: Seriatus ventralis, Brachiocephalicus, Trapezius. [Note: do not inject into gluteals or hamstrings in animals used for meat] |
| What are some intramuscular injection sites of sheep and goats? | Triceps |
| What are some intramuscular injection sites of dogs and cats? | Quadriceps (especially in emergency situations), triceps, epaxials, and hamstrings |
| What are the intramuscular injection sites of birds? | Pectoral muscles |
| What are the intramuscular injection sites of hogs? | Behind the ear |
| In what places of animals do we not inject in at manor? | Pectoral muscles of horses (they can become sore) and the hamstrings of dogs and cats (could hit sciatic nerve) |
| what are the muscles of the neck? | Brachicephalicus (a. cleidocepalicus or clavocephalicus, b. cleidobrachialis or clavobrachialis), Rhomboideus, serratus ventralis, sternocephalicus, sternohyoideus, and platysma |
| Attachment | The junction of a skeletal muscle to bone (Ex: Tendon, Aponeurosis, and Fleshy) |
| Tendon | Tough cord or band of dense white fibrous CT that unites muscle to bone |
| Aponeurosis | Dense fibrous CT organized into thin sheets of tissue that forms the terminations and attachments of muscles to bones or other structures. |
| Fleshy | The attachment of muscle to bone by very short tendons, appears as if the muscle is attached directly to the bone |
| Origin | The attachment at the less moveable end of the muscle, usually distal in limbs |
| Insertion | The attachment at the more movable end of the muscle, usually distal in limbs |
| Action | The body movement that a concentration of the muscle will produce. |
| Intrinsic | Muscles that attach to bones in the limbs (and not the body) |
| Extrinsic | Muscles that attach a limb to the body |
Created by:
Haleyjoy08
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