MINK MUSCLES FINAL

descriptions with pictures

Line going down the middle of the body

Midline

Above

Your nose is superior to your shoulder

Superior

Below

The feet are inferior to the nose

Inferior

Closer to the midline

Medial

Farther from the midline

Lateral

Closer to the trunk

Proximal

Towards the ends of arms and legs

Distal

On the surface (skin)

Superficial

Away from the surface

Deep

Standing up, face forward, feet apart, palms up

Anatomical Position

To go before

Anterior

To go behind

Posterior

To the front

Ventral

To go behind

Dorsal

Cut down the midline

Sagittal

A horizontal cut perpendicular to the midline

Transverse

A cut on the midline with a rotation of 90 degrees

Coronal

Origin: Dorsal midline of the neck

Insertion: Acromion process

Action: Pulls Scapula dorsally

Acromiotrapezius

Origin: Occipital Bone and Dorsal midline of the neck

Insertion: Clavicle

Action: Pull Humerus Forward

Clavotrapezius

Origin: Dorsal Midline of the thorax

Insertion: Scapular Spine

Action: Rotates Scapula Backward

Spinotrapezius

Origin: Temporal fossa

Insertion: Coronoid Process of Mandible

Action: Elevates mandible

Temporalis

Origin: Surface of latissimus dorsi

Insertion: Olecranon Process of Ulna

Action: Extends forearm

Dorsoepitrochlearis

Origin: Dorsal Fascia of the thorax

Insertion: Medial surface of the humerus

Action: Pulls humerus backward

Latissimus Dorsi

Origin: Scapular spine

Insertion: Deltoid ridge of humerus

Action: Pulls humerus forward and abducts it

Spinodeltoid

Origin: Lateral surface of humerus

Insertion: Olecranon Process

Action: Extends forearm

Triceps Brachii -Lateral Head

Origin: Scapula

Insertion: Olecranon process

Action: Extends forearm

Triceps Brachii -Long Head

Origin: Occipital Process and mastoid

Insertion: Medial surface of mandible

Action: Depresses mandible

Digastric

Origin: Zygomatic Arch

Insertion: Masseteric Fossa of mandible

Action: Elevates mandible

Masseter

Origin: Medial surface of the mandible

Insertion: Hyoid bone

Action: Elevates floor of mouth

Mylohyoid

Origin: Cartilage of the first rib

Insertion: Hyoid Bone

Action: Pulls tongue backward

Sternohyoid

Origin: Sternum

Insertion: Occipital bone

Action: Turns head

Sternomastoid

Origin: Clavicle

Insertion: Humerus distal to the deltoid tuberosity

Action: Pulls humerus forward

Clavodeltoid

Origin: Posterior ribs and fascia of the back

Insertion: CT of the rectus sheath

Action: Compression of the abdomen

External Abdominal Oblique

Origin: Sternum

Insertion: Pectoral Ridge and part of humerus distal to it

Action: Pulls humerus forward and adducts it

Pectoralis Major

Origin: Sternum

Insertion: Pectoral ridge of humerus

Action: Adducts Humerus

Pectoralis Minor

Origin: Pubis

Insertion: Femur

Action: Adducts thigh

Adductor Brevis

Origin: Pubis

Insertion: Femur

Action: Adducts Thigh

Adductor longus

Origin: Pubis and ischium

Insertion: Medial surface of knee and leg

Action: Adducts Thigh

Gracilis

Origin: Ilium

Insertion: Tibial crest

Action: Flexes Thigh and extends leg

Rectus Femoris

Origin: Ilium

Insertion: knee

Action: Flexes Thigh and extends leg

Sartorius

Origin: Ischium

Insertion: Medial Surface of knee and leg

Action: Extends thigh and flexes leg

Semimembranosus

Origin: Fascia over root of tail

Insertion: Medial surface of leg

Action: extends thigh and flexes leg

Semitendinosus

Origin: Medial Surface of femur

Insertion: Tibial crest

Action: Extends leg

Vastus medialis

Origin: Ischium

Insertion: Lateral surface of knee and leg

Action: Extends thigh and flexes leg

Biceps femoris

Origin: Fascia Over root of tail

Insertion: Lateral surface of femur

Action: Abducts Thigh

Femorococcygenus

Origin: Fascia over sacrum

Insertion: Lateral surface of femur

Action: Abducts thigh

Gluteus Maximus

Origin: Ischium

Insertion: Femur above condyles

Action: Extends thigh

Presemimembranosus

Origin: Ilium

Insertion: Fascia Lata of the thigh

Action: Abducts thigh

Tensor Fascia Lata

Origin: Fascia over the root of tail

Insertion: Lateral surface of leg

Action: Flexes leg

Tenuissimus

Origin: Anterior Surface of femur

Insertion: Tibial Crest

Action: Extends leg

Vastus Lateralis

Origin: Lateral Epicondyle of the femur

Insertion: Digits

Action: Extends Digits

Extensor digitorum longus

Origin: Lateral Aspect of the head of the fibula

Insertion: Bases of the metatarsals and digits

Action: Extends the foot and flexes the digits

Fibularis Longus

Origin: Lateral and medial condyles of the femur

Insertion: By the Achilles tendon on the calcaneus

Action: Extends foot

Gastroncnemius

Origin: Lateral surface of the head of the fibula

Insertion: By the Achilles tendon on the calcaneus

Action: Extends Foot

Soleus

Origin: Proximal ends of the tibia and the fibula

Insertion: 1st metatarsal

Action: Flexes foot

Tibialis Cranialis

Origin: Fascia of back

Insertion: CT of rectus sheath

Action: Compression of abdomen

Internal abdominal oblique

Origin: Pubis

Insertion: Costal cartilages and sternum

Action: Compresses the Abdomen and flexes the trunk

Rectus Abdominis

Origin: Lower ribs

Insertion: Linea alba

Action: Compression of the abdomen

Transverse Abdominis