Pig muscle Anatomy Diagram Head and neck Muscles Masseter Elevates the mandible Brachiocephalic Helps to protract the arm Trapezius Helps to keep the scapula in place and move it forward and backward ID: 907833
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Slide1
Animal Muscle Identification
Slide2Pig muscle Anatomy Diagram
Slide3Head and neck Muscles
Masseter
Elevates the mandible
BrachiocephalicHelps to protract the armTrapeziusHelps to keep the scapula in place and move it forward and backward.
Slide4Pig muscle Anatomy Diagram
Slide5Pig muscle anatomy diagram
Slide6Arm and shoulder muscles
L
atissimus
DorsiMajor retractor muscle of the armDeltoidHelps to protract the upper armDeep PectoralAdducts the limb and pulls the limb caudally
Triceps BrachiiExtends the elbow and flexes the shoulderBiceps BrachiiFlexor of the forearm
Slide7Pig muscle Anatomy Diagram
Slide8Pig muscle anatomy diagram
Slide9Pelvis and thigh muscles
T
ensor
Fasciae LataeHelps to extend the shanks, as well as to protract the thigh at the hip joint.SemitendinosusAssists the biceps femoris
in thigh retraction and shank flexionGastrocnemius and SoleusExtend the foot
Slide10Pig muscle Anatomy Diagram
Slide11Trunk Muscles
External/internal oblique
Compresses the abdomen and flexes the trunk
Rectus abdominisSupports the abdominal wall and ventrally flexes the abdomen
Slide12Pig muscle Anatomy Diagram
Slide13Cattle muscle anatomy diagram
Slide14Head and Neck muscles
Masseter
Located in the cheek, its function is to move the jaw and teeth.
BrachiocephalicusAids in the movement of the leg and shoulder. Also, acts as a lateral flexor in the neck.TrapeziusAids in movement of the scapula.
Slide15Cattle muscle anatomy diagram
Slide16Arm and shoulder muscles
Deltoid
Abducts the arm.
Triceps BrachiiExtends the elbow.Biceps BrachiiFlexes the arm and forearm.
Brachialis Flexes the elbow.Latissimus DorsiFlexes the shoulder.Deep PectoralExtends the shoulder joint, elevates
the trunk when limb advances, and retracts limb.
Slide17Cattle muscle anatomy diagram
Slide18Trunk, Pelvis, and thigh muscles
Gastrocnemius
Extends the hock or flexes the stifle joint.
Internal/External Abdominal ObliqueCompresses the abdomen and flexes the trunk.Tensor Fasciae LataeFlexes the hip joint, and extends the stifle joint.
Middle GlutealExtends the hip and abducts the limb.Biceps FemorisExtends the hip, stifle, and hock joints, and flexes the stifle when the hind foot is off the ground.SemitendinosusExtends the hip, stifle and hock joint, and flexes
the stifle joint when the hindfoot is lifted from the ground.
Slide19Cattle muscle anatomy diagram
Slide20Sheep muscle anatomy diagram
1— Masseter
3–Trapezius
8—
Deltoideus2—Brachiocephalicus
6—Deep Pectoral18—
Latissimus Dorsi20—Internal Abdominal Oblique
21—
External Abdominal Oblique
24—
Tensor Fasciae
Latae
22—
Middle Gluteal
28—
Gastrocnemius
26—
Biceps
Femoris
10—
Brachialis
27—
Semitendinosus
Slide21Head and Neck muscles
Masseter
Elevates the jaw to help aid in the process of chewing.
TrapeziusRotates, elevates, and retracts scapula.BrachiocephalicusAids in the movement of the leg and shoulder.
Slide22Sheep muscle anatomy diagram
1— Masseter
3–Trapezius
8—
Deltoideus2—Brachiocephalicus
6—Deep Pectoral18—
Latissimus Dorsi20—Internal Abdominal Oblique
21—
External Abdominal Oblique
24—
Tensor Fasciae
Latae
22—
Middle Gluteal
28—
Gastrocnemius
26—
Biceps
Femoris
10—
Brachialis
Slide23Arm and shoulder muscles
Deltoideus
Moves and stabilizes the shoulder joint.
Deep PectoralAdducts the limb and stabilizes shoulder jointLatissimus dorsiExtends,
adducts, and medially rotates armBrachialisFlexes the elbow
Slide24Sheep muscle anatomy diagram
1— Masseter
3–Trapezius
8—
Deltoideus2—Brachiocephalicus
6—Deep Pectoral18—
Latissimus Dorsi20—Internal Abdominal Oblique
21—
External Abdominal Oblique
24—
Tensor Fasciae
Latae
22—
Middle Gluteal
28—
Gastrocnemius
26—
Biceps
Femoris
10—
Brachialis
Slide25Trunk, pelvis, and thigh muscles
Internal/External
Abdominal
ObliqueFlexes abdomenTensor Fasciae LataeAbducts hipMiddle Gluteal
Extends hip and abducts limbGastrocnemiusFlexes the knee.Biceps FemorisFlexes and rotates the knee
Slide26Sheep muscle anatomy diagram
1— Masseter
3–Trapezius
8—
Deltoideus2—Brachiocephalicus
6—Deep Pectoral18—Latissimus
Dorsi20—Internal Abdominal Oblique
21—
External Abdominal Oblique
24—
Tensor Fasciae
Latae
22—
Middle Gluteal
28—
Gastrocnemius
26—
Biceps
Femoris
10—
Brachialis