Lab Practical 1 extras and muscles Flashcards
frontalis
raises eye brows and wrinkles forehead
buccinator
compresses cheek
compresses abdomen, depresses ribs and flexes or bends spine
external oblique
elevates scapula
levator scapulae

diaphragm

internal intercostals
external intercostals
elevates ribs
extends vertebral column
iliocostalis
temporalis
elevates mandible

masseter
adducts scapula and performs downward rotation
rhomboid major
rhomboid major
adducts scapula and performs downward rotation

external intercostals

pectoralis minor
levator scapulae
elevates scapula
tenses and retracts scalp
occipitalis
flexes neck
sternocleidomastoid

buccinator

transversus abdominus

trapezius

rhomboid minor
compresses abdomen, depresses ribs and flexes or bends spine
internal oblique

serratus anterior
depresses ribs and flexes vertebral column
rectus abdominus
spinalis thoracis
extends vertebral column

rhomboid major
pectoralis minor
depresses and protracts shoulder and rotates scapula so glenoid cavity moves inferiorly
depresses ribs
internal intercostals

zygomaticus major

occipitofrontalis (frontalis)

orbicularis oris
masseter
elevates mandible closes jaw
elevates mandible
temporalis
depresses and protracts shoulder
subclavious
sternocleidomastoid
flexes neck
iliocostalis
extends vertebral column
platysma
tenses skin of neck, depresses mandible and pull lower lip down

levator scapulae

sternocleidomastoid
zygomaticus major
retracts and elevates the corner of the mouth
compresses cheek
buccinator
compresses abdomen, depresses ribs and flexes or bends spine
transversus abdominus
diaphragm
expands thoracic cavity, compresses abdominopelvic cavity

orbicularis oculi

internal oblique
extends vertebral column
spinalis thoracis
elevates mandible closes jaw
masseter
elevates ribs
external intercostals
longissimus
extends vertebral column
retracts and elevates the corner of the mouth
zygomaticus major
protracts shoulder and rotates scapula so that glenoid cavity moves superiorly
serratus anterior
compresses and purses lip
orbicularis oris

occipitofrontalis (occipitalis)
raises eye brows and wrinkles forehead
frontalis
expands thoracic cavity, compresses abdominopelvic cavity
diaphragm
trapezius
extends clavicle and extends neck
occipitalis
tenses and retracts scalp
mentalis
elevades and protrudes lip

external oblique

rectus abdominus
depresses and protracts shoulder and rotates scapula so glenoid cavity moves inferiorly
pectoralis minor
elevades and protrudes lip
mentalis
tenses skin of neck, depresses mandible and pull lower lip down
platysma
rhomboid minor
adducts scapula and performs donward rotation
transversus abdominus
compresses abdomen, depresses ribs and flexes or bends spine

temporalis

platysma
serratus anterior
protracts shoulder and rotates scapula so that glenoid cavity moves superiorly
rectus abdominus
depresses ribs and flexes vertebral column
closes eye
orbicularis oculi
extends clavicle and extends neck
trapezius
orbicularis oculi
closes eye
orbicularis oris
compresses and purses lip
internal intercostals
depresses ribs
adducts scapula and performs donward rotation
rhomboid minor
extends vertebral column
longissimus
subclavious
depresses and protracts shoulder
internal oblique
compresses abdomen, depresses ribs and flexes or bends spine
external oblique
compresses abdomen, depresses ribs and flexes or bends spine

erector spinae

iliocostalis of the errector spinae (general group)

longissimus of the errector spinae (general group)

spinalis thoracis of the errector spinae

Anterior cruciate ligament of the knee

Posterior cruciate ligament of the knee

medial (tibial) collateral ligament of the knee

lateral (fibular) collateral ligament

medial meniscus of the knee

lateral meniscus of the knee

coracoclavicular ligament of shoulder

coracoacromial ligament of the shoulder

glenohumeral ligament of the shoulder

Linea alba

T (Transverse) Tubules

sarcomere

I band

H zone

M Line

A Band

sacroplasmic reticulum
myofibril

Nucleus of skeletal muscle

mitochondria

nucleus of skeletal muscle

myofibrils of skeletal muscle

sarcolemma of skeleal muscle

thick myofilaments

thin myofilaments
what does the orange circle represent?
what does the white circle represent?

Orange: T (Transverse) tubules
White: Sarcoplasmic Reticulum
what does the yellow line pointing to the light green in the middle represent?
what does the pink line pointing to the white portion represent?
what does the blue line pointing to the yellow portion represent/

yellow line: medulla
pink line: Cortex
blue line: cuticle

hair papilla of hair follice