KIN270 Lab Practical 2

Name: Frontalis m.

Name: Orbicularis oculi m.

Action: closes eyes

Name: Platysma m.

Action: depresses mandible

Name: Zygomaticus major m.

Action: pulls corners of mouth up (big smile)

Name: Zygomaticus minor m.

Action: pulls corners of mouth up (small smile)

Name: Buccinator m.

Action: compresses cheeks (during chewing)

Name: Masseter m.

Action: elevates mandible

Name: Sternocleidomastoid m.

Action: forward flexion of neck, contralateral rotation of neck

Origin: clavicle, manubrium of sternum

Insertion: mastoid process of temporal bone, occipital bone

Orbicularis oris m.

Action: shapes lips (while speaking)

Occipitalis m.

Name: Splenius capitis m.

Action: extension + ipsilateral rotation of neck

Origin: C7-T3

Insertion: mastoid process of temporal bone, occipital bone

Name: Trapezius m.

Action: stabilizes scapula, extension + lateral flexion of neck

Origin: occipital bone, thoracic vertebrae

Insertion: clavicle, acromion + spine of scapula

Name: Pectoralis major m.

Action: flexion, adduction, medial rotation of arm at shoulder

Origin: sternum, clavicle

Insertion: intertubercular groove of humerus

Name: Serratus anterior m.

Action: elevation of ribs

Origin: ribs (1-9)

Insertion: medial barrier of scapula

Name: Diaphragm

Action: expands thoracic cavity, compresses abdominal cavity

Infraspinatus m.

Action: lateral rotation of arm

Origin: infraspinous fossa of scapula

Insertion: greater tubercle of humerus

Name: Latissimus dorsi m.

Action: extension, adduction, medial rotation of arm at shoulder

Origin: thoracic + lumbar vertebrae, lower ribs (9-12), illium

Insertion: intertubercular groove of humerus

Name: Teres minor m.

Action: lateral rotation of arm

Origin: lateral border of scapula

Insertion: greater tubercle of humerus

Name: External oblique m.

Action: rotation + lateral flexion of torso

Origin: ribs (5-12)

Insertion: pubis, ilium

Name: Rectus abdominis m.

Action: flexion of torso

Origin: pubis

Insertion: xiphoid process of sternum

Name: Internal oblique m.

Action: rotation + lateral flexion of torso

Origin: ilium

Insertion: ribs (10-12)

Name: Transverse abdominis m.

(Identify only)

Name: External intercostal m.

Action: elevation of ribs (normal inspiration)

Internal intercostal m.

Action: depresses ribs (forced expiration)

Temporalis m.

Action: elevates + retracts mandible

Name: Deltoid m.

Action: abduction of arm at shoulder

Origin: clavicle, acromion + spine of scapula

Insertion: deltoid tuberosity of humerus

Name: Biceps brachii m.

Action: flexion, supination of forearm

Origin: scapula (2 headed origin)

Insertion: radial tuberosity

Name: Brachialis m.

Action: synergist in flexion of forearm

Origin: humerus

Insertion: ulna

Name: Triceps brachii m.

Action: extension of forearm

Origin: scapula (long head), humerus (lateral + medial heads) *3 headed origin*

Insertion: olecranon process of ulna

Name: Brachioradialis m.

Action: synergist in flexion of forearm

Origin: humerus

Insertion: styloid process of radius

Subscapularis m.

Action: medial rotation of arm

Origin: subscapular fossa of scapula

Insertion: lesser tubercle of humerus

What is the action of the occipitofrontalis m.?

Which muscle(s) does it include?

Action: raise eyebrows

Muscles: Epicranius, frontalis, occipitalis m.

Name: Supraspinatus m.

Action: synergist in abduction of arm

Origin: supraspinous fossa of scapula

Insertion: greater tubercle of humerus

Name: Tibialis anterior m.

Action: dorsiflexion of foot (tiptoeing, running, jumping)

Origin: lateral condyle of tibia

Insertion: metatarsal #1, medial cuneiform

Name: Iliopsoas m.

Action: flexion of thigh at hip

Origin: ilium, sacrum, T12 & lumbar vertebrae

Insertion: lesser trochanter of femur

Name: Gracilis m.

Action: adduction + flexion of thigh at hip

Origin: pubis

Insertion: tibia

Name: Iliotibial tract (IT Band)

*not a muscle, helps support + stabilise knee joint

Name: Rectus femoris m.

Action: extension of leg at knee, flexion of thigh at knee

Origin: ilium

Insertion: tibial tuberosity of tibia (via common tendon enclosing patella)

Name: Sartorius m.

Action: flexion, abduction, lateral rotation of thigh at hip

Origin: ilium

Insertion: tibia

Name: Tensor fascia lata m.

Action: flexion + abduction of thigh at hip, postural maintenance, stabilizes knee through ITB

Origin: ilium

Insertion: iliotibial tract (ITB)

Name: Vastus lateralis m.

Action: extension of leg at knee

Origin: greater trochanter of femur

Insertion: tibial tuberosity of tibia (via common tendon enclosing patella)

Name: Vastus medialis m.

Action: extension of leg at knee

Origin: intertrochanteric line of femur

Insertion: tibial tuberosity of tibia (via common tendon enclosing patella)

Name: Gluteus maximus m.

Action: extension (powerful), lateral rotation, abduction of thigh at hip

Origin: ilium, sacrum, coccyx

Insertion: gluteal tuberosity of femur, ITB of TFL

Name: Semimembranosus m.

Action: flexion of leg at knee

Origin: ischial tuberosity

Insertion: medial condyle of tibia

Name: Semitendinosus m.

Action: flexion of leg at knee

Origin: ischial tuberosity

Insertion: tibia

Name: Gastrocnemius m.

Action: plantar flexion of foot, flexion of leg at knee

Origin: medial + lateral condyles of femur

Insertion: calcaneus (via calcaneal tendon)

Name: Soleus m.

Action: plantar flexion of foot (walking)

Origin: tibia, fibula

Insertion: calcaneus (via calcaneal tendon)

Name: Vastus intermedius m.

Action: extension of leg at knee

Origin: femur

Insertion: tibial tuberosity of tibia (via common tendon enclosing patella)

Name: Biceps femoris m.

Action: extension of thigh at hip, flexion of leg at knee

Origin: ischial tuberosity

Insertion: head of fibula

Cerebrum

Cerebellum

Central sulcus

Lateral sulcus

Frontal lobe

Temporal lobe

Occipital lobe

Parietal lobe

Longitudinal fissure

Arbor vitae

Corpus callosum

Postcentral gyrus

Precentral gyrus

Pons

Thalamus

Midbrain

Medulla

Hypothalamus

Diencephalon

Brainstem

Parieto-occipital sulcus

Name the hemisphere

Right cerebral hemisphere

Name the hemisphere

Left cerebral hemisphere

Transverse fissure

Central canal

Dorsal horn

Ventral horn

Posterior median sulcus

Anterior median fissure

Dorsal ramus

Gray commissure

Ventral ramus

Spinal nerve

Dorsal root

Ventral root

Dorsal root ganglion

Gray matter

White matter

Iris

Pupil

Sclera (white part of eye)

Choroid

Suspensory ligaments (of lens)

Retina

Optic nerve (CN II)

Optic disc

Ciliary body

Lens

Cornea

Calcaneal tendon (Achille’s tendon)

Fovea centralis