Muscles Flashcards
What does origin and insertion mean?
- origin: immovable bone
* insertion: movable bone
Function, origin, insertion of FRONTALIS (surprise)
Function
• raises eyebrows (elevation)
Origin
• cranial and aponeurosis
Insertion:
• skin of eyebrow
Function origin and insertion of ORBICULARIS OCULI (blinking)
Function
• opens and closes eyes
Origin
• frontal and maxilla
Insertion
• tissue around eye
Function origin and insertion of ZYGOMATICUS (smiling)
Function
• Raises corners of her mouth
Origin
• zygomatic
Insertion
• skin and muscle at corners of cheeks
Function origin and insertion of MASSETER (chewing)
Function
• closes jaw
Origin
• temporal
Insertion
• mandible
Function origin and insertion of TEMPORALIS (chewing)
Function
• closes jaw
Origin
• Temporal
Insertion
• mandible
Function origin and insertion of STERNOCLEIDOMASTOID (praying)
Function
•Flexion at the neck
origin
• sternum and clavicle
insertion
• mastoid process (temporal)
Function origin and insertion of BUCCINATOR(whistling)
Function
• compresses cheeks and holds food
origin
• mandible and maxilla
insertion
• Orbicularis oris
Function origin and insertion of PLATISMA (frowning)
Function
• post corners of mouth inferior
origin
• connective tissue at superior chest
insertion
• tissue around mouth
Function origin and insertion of ORBICULARIS ORIS
Function
• closes and protrudes lips
Origin
• mandible and maxilla
Insertion
• skin and muscle around mouth
Function origin and insertion of DELTOID
Function
• abducts humerus
Origin
• scapular spine and clavicle
Insertion
• humerus
Function origin and insertion of PECTORALIS MAJOR
Function
• abducts and flexes humerus
Origin
•sternum clavicle and 1st and 6th ribs
Insertion
• proximal humerus
Function origin and insertion of BICEPS BRACHII
Function
• flexes elbow and supinates forearm
Origin
• scapula
Insertion
• radius
Function origin and insertion of BRACHIALIS
Function
• flexes elbow and supinates forearm
Origin
• distal humerus
Insertion
• ulna
Function origin and insertion of TRICEPS BRACHII
function • extends elbow
Origin
• shoulder girdle
Insertion
• olecrenon process of ulna
Function origin and insertion of TRAPEZIUS
Function
• adducts scapulas and extends neck
Origin
• occipital cervical vertebrae thoracic vertebrae
Insertion
•scapula and clavicle
Function origin and insertion of RECTUS ABDOMINUS
Function
• flexes vertebral column
Origin
•pubis
Insertion
•sternum, 5th-7th ribs
Function origin and insertion of EXTERNAL OBLIQUE
Function
• flexes and rotates vertebral column
Origin
• lower 8 ribs
Insertion
• iliac crest
Function origin and insertion of LATISSIMUS DORSI
Function
• addicted and extends humerus
Origin
•lower spine and iliac crest
Insertion
• proximal humerus
Function origin and insertion of ILIOPSOAS
Function
• flexes hip
Origin
• ilium and lumbar vertebrae
Insertion
• femur
Function origin and insertion of SARTORIUS
Function
• flexes thigh at hip
Origin
• ilium
Insertion
•proximal tibia
Function origin and insertion of RECTUS FEMORIS
Function
•extends at the knee and flexes thigh at hip
Origin
•pelvis
Insertion
• tibial tuberosity
Function origin and insertion of VASTUS LATERALIS/ MEDIALIS
Function
• extends at knee
Origin
• femur
Insertion
•tibial tuberosity
Function origin and insertion of ADDUCTORS
Function
•addicted thigh toward each other
Origin
•pelvis
Insertion
•femur
Function origin and insertion of
GLUTEUS MAXIMUS
Function
• extends at hip
Origin
• sacrum and ilium
Insertion
• femur
Function origin and insertion of GLUTEUS MINIMUS
Function
• abducts the thigh
Origin
• ilium
Insertion
• femur
Function origin and insertion of BICEPS FEMORIS
Function
• flexes at the knee
Origin
• ischium
Insertion
•head of fibula
Function origin and insertion of SEMITENDINOSIS/ SEMIMEMBRANOSUS
Function
• flexes at the knee and extends at hip
Origin
• ischium and tuberosity
Insertion
• tibia
Function origin and insertion of
GASTROCNEMIUS
Function
• plantar flexion
Origin
• distal femur
Insertion
• calcaneus
Function origin and insertion of SOLEUS
Function
•plantar flexion
Origin
• proximal tibia and fibula
Insertion
• calcaneus
Function origin and insertion of TIBIALIS ANTERIOR
Function
• dorsiflexion and
Origin
• proximal tibia
Insertion
• tarsal 1 and metatarsal 2
Function origin and insertion of FIBULARIS LONGUS
Function
• plantar flexion and everts foot
Origin
• fibula
Insertion
• metatarsals
Flexion
Decrease angle
Extension
Increase angle
Rotation
Movement of bone around it’s longitudinal axis
example: shaking your head no
Abduction
Moving a limb away from the midline or medial plane of the body
Adduction
Abduction. Moving of Limb toward body midline
Circumduction
Combination of flexion extension abduction and adduction
Inversion
Invert sole of the foot inwards
Eversion
Turn sole of foot outwards
Synergists
Help prime movers by producing the same movement or by reducing undesirable more
Fixators
Specialized synergists. Hold a bone still or stabilize the origin of a prime mover so all the attention can be used to move the insertion bone
dorsiflexion
pointing toes upward toward sky
plantar flexion
pointing foot like ballerina