Week 3 Flashcards
Deep muscles of the abdomen:
Quadratus Lumbroum
Psoas major
Iliacus
muscles of the anterolateral abdominal wall
transverses abdominis
internal oblique
external oblique
rectus abdominus
muscles of respiration
external intercostals
internal intercostals
serrates posterior superior
serrates posterior inferior
Which muscle is part of both the anterior and the posterior triangles of the neck?
the SCM
all scalenes are excellent at which action
lateral flexion of the neck
The anterior scalene is good at lateral flexion of the neck and what else
flexion of the neck
with the neck fixed, all scalenes assist with what?
deep inhalation - by elevating first two ribs
ANTERIOR SCALENE
Origin:
Insertion:
Action:
Origin: TP’s of cervical vert.
Insertion: Rib 1
Action: LF and F of neck; Elev of rib 1
MIDDLE SCALENE
Origin:
Insertion:
Action:
Origin: TP’S of cervical vert.
Insertion: Rib 1
Action:LF of neck; Elev. of Rib 1 (inhalation)
POSTERIOR SCALENE
Origin:
Insertion:
Action:
Origin: TP’s of cervical vert.
Insertion: Rib 2
Action: LF of neck; Elev of rib 2
STERNOCLEIDOMASTOID
Origin:
Insertion:
Action:
Origin: Sternum and clavicle
Insertion: Mastoid process of the temporal bone
Action: F, LF, contralateral R of the head and neck;
Elev of sternum in DEEP INHALATION
the sternocleidomastoid is covered by
the thin PLATYSMA
the ____ _____ artery is deep to the sternocleidomastoid muscle for most of it’s length but anterior near the chin
_____ ______ _____ and the _____ ____ are also near the SCM
COMMON CAROTID ARTERY
CERVICAL LYMPH NODES
THYROID GLAND
actions of the quadrates lumborum
EXCELLENT LATERAL FLEXOR
ELEVATES EACH ILIUM (with the spine stabilized)
QUADRATUS LUMBORUM
Origin:
Insertion:
Action:
Origin: POSTERIOR ILIAC CREST
Insertion: RIB 12 AND TP’S OF L1-L4/L5
Action: LF of trunk; ELEV A SIDE OF THE ILIUM
the iliopsoas group consist of
iliacus and psoas major
PSOAS MAJOR
Origin:
Insertion:
Action:
Origin: L1-L5
Insertion: LESSER TROCHANTER OF THE FEMUR
Action: F of THIGH at the hip; F of the TRUNK with the member stabilized
ILIACUS
Origin:
Insertion:
Action:
Origin: FOSSA OF THE ILIUM
Insertion: LESSER TROCHANTER OF THE FEMUR
Action: F OF THE THIGH AT THE HIP
TRANSVERSE ABDOMINIS
Origin:
Insertion:
Action:
Origin:
RIBS
THORACOLUMBAR FASCIA
ILIUM
Insertion: LINEA ALBA
Action: COMPRESS/SUPPORT ABDOMINAL VISCERA, ASSISTS IN EXHALATION
What is the deepest of the abdominal walls
the transverse abdominis
INTERNAL OBLIQUE
Origin:
Insertion:
Action:
Origin:
INGUINAL LIG.
ILIUM
THORACOLUMBAR FASCIA
Insertion: LINEA ALBA
Action: F, LF, IPSILATERAL ROTATION of the trunk
compress abdomen to ASSIST FORCIBLE EXHALATION
EXTERNAL OBLIQUE
Origin:
Insertion:
Action:
Origin: RIBS
Insertion: LINEA ALBA, INGUINAL LIG., AND ILIAC CREST
Action: F, LF, CONTRALAT. ROTATION of the trunk
assist FORCIBLE EXHALATION
RECTUS ABDOMINIS
Origin:
Insertion:
Action:
Origin: PUBIC BONE
Insertion: STERNUM AND COSTAL CARTILIAGES
Action: F of trunk; ASSISTS FORCIBLE EXHALATION
RECTUS SHEATH is formed by
the thin aponeurosises of the other 3 abdominal wall muscles
action of INTERNAL INTERCOSTALS
depress ribs - assist exhalation
action of EXTERNAL INTERCOSTALS
elevate ribs - assist inhalation
SERRATUS POSTERIOR SUPERIOR
Origin:
Insertion:
Action:
Origin: C7-T2/T3 (SP)
Insertion: ribs 2-5
Action: ELEV. ribs to assist INHALATION
SERRATUS POSTERIOR INFERIOR
Origin:
Insertion:
Action:
Origin: T11-L2/L3 (SP)
Insertion: RIBS (lower 4)
Action: DEPRESS ribs to assist EXPIRATION/EXHALATION
