Muscles Flashcards
- which Muscle ELEVATES and ROTATES the SCAPULA for arm abduction
- which muscle DEPRESSES the SCAPULA?
- which muscle ROTATES the SCAPULA
- TRAPEZIUS
- PECTORALIS MINOR
- SERRATUS ANTERIOR (hugging ribs)
muscles for ARM ABDUCTION
- SUPRASPINATUS (initial)
- DELTOID
- TRAPEZIUS
which EYE muscle ELEVATES and already ABDUCTED eye
SUPERIOR RECTUS
which muscle EXTENDS an ALREADY FLEXED ARM
PECTORALIS MAJOR
(adduction, medial rotation, extends already flexed arm)
- TERES MINOR (posterior) function?
- TERES MAJOR (anterior) function?
- TERES MINOR - LATERAL ROTATION of HUMERUS
- TERES MAJOR: MEDIAL ROTATION and EXTENSION of arm
what does the LATISSIMUS DORSIS muscle do
ADDUCTS ARM
EXTENSION
MEDIAL ROTATION
what does the CORACOBRACHIALIS Muscle do to Humerus
FLEXES arm
ADDUCTS
what are the main EXTENDORS of the FOREARM?
TRICEPS BRACHII
- LONG HEAD (attaches to scapula)
- LATERAL HEAD
- MEDIAL HEAD (attaches ulna olecranon process)
(posterior forearm)
what is the most Powerful FLEXOR of the FOREARM (flex elbow joint)
BRACHIALIS
(only function)
which muscles are for ARM ADDUCTION
- LATISSIMUS DORSIS (adduct, medial rotation, extension)
- PECTORALIS MAJOR (adduct, medial rotation, extend if already flexed)
- CORACOBRACHIALIS
(adduct and flexes)
what do the BICEPS BRACHII muscles do - Long and Short heads
SUPINATION
FLEX FOREARM
weak flexor of humerus
- which ANTERIOR FOREARM muscles (FLEXORS) are DEEP:
INTERMEDIATE:
SUPERFICIAL:
DEEP:
- FLEXOR DIGITORUM PROFUNDUS
- FLEXOR POLLICUS LONGUS
- PRONATOR QUADRATUS
INTERMEDIATE:
- FLEXOR DIGITORUM SUPERFICIALIS
SUPERFICIAL:
- FLEXOR CARPI ULNARIS
- FLEXOR CARPI RADIALIS
- PALMARIS LONGUS
- PRONATOR TERES
which muscles ADDUCT the WRIST
FLEXOR CARPI ULNARIS (deep)
EXTENSOR CARPI ULNARIS (superficial)
WRIST FLEXOR MUSCLES:
- FLEXOR DIGITORUM SUPERFICIALIS
- PALMARIS LONGUS
- FLEXOR CARPI ULARIS
- FLEXOR CARPI RADIALIS
SUPINATOR muscle is in which Compartment
Supinator: POSTERIOR - DEEP
which POSTERIOR FOREARM (EXTENSOR) Muscles are
DEEP:
SUPERFICIAL:
DEEP:
- ABDUCTOR POLLICUS LONGUS
- EXTENSOR POLLICUS BREVIS
- EXTENSOR POLLICUS LONGUS
- EXTENSOR INDICES
- SUPINATOR
SUPERFICIAL:
- EXTENSOR CARPI ULNARIS
- EXTERNSOR CARPI RADIALIS LONGUS
- EXTENSOR CARPI RADIALIS BREVIS
- EXTENSOR DIGITORUM
- EXTENSOR DIGITI MINI
- *ANCONEUS
- *BRACHIORADIALIS
BRACHIORADIALIS muscle does what?
which compartment is it classed as?
- FLEXES FOREARM / ELBOW JOINT
although it is anterior to the joint its attachments are posterior
therefore POSTERIOR - SUPERFICIAL
ELBOW JOINT FLEXORS:
BRACHIALIS
BICEPS BRACHII (&supination)
BRACHIORADIALIS
what does the ANCONEUS do
- EXTENDS FOREARM
- ABDUCTS ULNA DURING PRONATION
which muscles ABDUCT the WRIST
- FLEXOR CARPI RADIALIS
- EXTENSOR CARPI RADIALIS LONGUS
- EXTENSOR CARPI RADIALIS BREVIS
- ANCONEUS ABDUCTS ULNA IN PRONATION
what are the ILIOPSOAS muscles and what do they do?
- PSOAS MAJOR
- ILIACUS
HIP FLEXORS
what does the GLUTEUS MAXIMUS do
- HIP EXTENSOR
- ABDUCT & ADDUCT
- SOME LATERAL ROTATION
what does the TENSOR FASCIA LATAE do
STABILISES the KNEE IN EXTENSION
- can help flexion of an already flexed knee
what do the GLUTEUS MEDIUS and GLUTEUS MINIMUS do
ABDUCTION
& PREVENT PELVIC DROP
which HIP Muscles are for ABDUCTION and LATERAL ROTATION
- PIRIFORMIS
- GEMELLIS SUPERIOR
- GEMELLIS INFERIOR
- OBTURATOR INTERNUS
Abduction alone: Gluteus Medius and Minimus
Lateral rotation alone: Quadratus Femoris
what does the QUADRATUS FEMORIS do
LATERAL ROTATION of the HIP
PIRIFORMIS;
PECTINEUS:
PALMARIS:
POPLITEUS:
PLANTARIS:
PIRIFORMIS: HIP ABDUCTION & LATERAL ROTATION
(posterior hip, deep)
PECTINEUS: HIP ADDUCTION & HIP FLEXION
(medial thigh)
PALMARIS: WRIST FLEX
(anterior superficial forearm)
POPLITEUS: KNEE MEDIAL ROTATION
(posterior deep leg)
PLANTARIS: PLANTARFLEXION & KNEE FLEXION
(posterior superficial leg)
HIP ADDUCTORS:
- ADDUCTOR MAGNUS
- ADDUCTOR LONGUS
- ADDUCTOR BREVIS
- PECTINEUS
- GRACILIS
where is the GRACILIS does it do?
most MEDIAL
- HIP ADDUCTION
- KNEE FLEXION
what does the PECTINEUS do
HIP ADDUCTION
HIP FLEXION
which HIP ADDUCTOR also causes MEDIAL ROTATION
ADDUCTOR LONGUS
what are the Anterior Thigh Muscles?
what do they do?
RECTUS FEMORIS
SARTORIUS (from lateral to medial)
-> HIP FLEXION, KNEE EXTENSION
VASTUS LATERALIS, VASTUS INTERMEDIALIS, VASTUS MEDIALIS
-> KNEE EXTENSION only
what are the Posterior Thigh Muscles / Hamstrings?
what do they each do?
- BICEPS FEMORIS (LONG HEAD and SHORT HEAD)
HIP EXTENSION, KNEE FLEXION
LATERAL ROTATION - SEMI-TENDINOSIS
- SEMI-MEMBRANOSIS
HIP EXTENSION, KNEE FLEXION
MEDIAL ROTATION
which Muscles cause HIP LATERAL ROTATION?
- PIRIFORMIS
- GEMELLIS SUPERIOR & INFERIOR
- OBTURATOR FORAMEN
- QUADRATUS INTERNUS
- BICEPS FEMORIS (LONG & SHORT HEADS)
which Muscles cause HIP MEDIAL ROTATION?
- ADDUCTOR LONGUS
- SEMI-MEMBRANOSIS
- SEMI-TENDINOSIS
which Hip ADDUCTOR in the MEDIAL compartment also causes..
KNEE FLEXION?
MEDIAL ROTATION?
HIP FLEXION?
Knee FLEX: GRACILIS
MEDIAL Rotation: ADDUCTOR LONGUS
Hip FLEX: PECTINEUS
which muscles are in the LATERAL LEG and what do they do?
FIBULARIS LONGUS
FIBULARIS BREVIS
- EVERSION
ANTERIOR LEG MUSCLES:
- TIBIALIS ANTERIOR
- FIBULARIS TERTIUS (Evertor)
- EXTENSOR HALLUCIS LONGUS
& EXTENSOR DIGITORUM LONGUS (toe extensors)
POSTERIOR LEG MUSCLES
DEEP:
SUPERFICIAL:
DEEP:
- TIBIALIS POSTERIOR
- POPLITEUS
- FLEXOR HALLUCIS LONGUS & FLEXOR DIGITORUM
SUPERFICIAL:
-TRICEPS SURAE: GASTROCNEMIUS (2) & SOLEUS
- PLANTARIS
which muscle is the PRIMARY DORSIFLEXOR and PRIMARY INVERTOR
TIBIALIS ANTERIOR
what does the POPLITEUS do
MEDIAL ROTATION of the KNEE (needed before flexion)
what do the TRICEPS SURAE muscles do
GASTROCNEMIUS - PLANTARFLEXION & KNEE FLEXION
SOLEUS - PLANTARFLEXION
what does the TIBIALIS POSTERIOR do
PLANTARFLEXION
INVERSION
what does the PLANTARIS do
PLANTARFLEXION
KNEE FLEXION
KNEE FLEXION muscles:
- BICEPS FEMORIS (posterior thigh)
- SEMI-TENDINOSIS & SEMI-MEMBRANOSIS (posterior thigh)
- GRACILIS (medial thigh)
- PLANTARIS (posterior superficial leg)
- GASTROCNEMIUS (posterior superficial leg)
which muscle MEDIALLY ROTATES the KNEE
POPLITEUS
(posterior deep)
what do the VASTUS LATERALIS and VASTUS MEDIALIS do
KNEE EXTENSION
BRACHIALIS:
BRACHIORADIALIS:
BICEPS BRACHII:
CORACOBRACHIALIS:
BRACHIALIS:
FLEX FOREARM
BRACHIORADIALIS:
FLEX FOREARM
BICEPS BRACHII:
SUPINATION & FLEX FOREARM
CORACOBRACHIALIS:
ADDUCTION & FLEX UPPER ARM/HUMERUS
what does the SUBSCAPULARIS do
MEDIAL ROTATION of Humerus
HIP FLEXORS:
- ILIOPSOAS
- PECTINEUS
- RECTUS FEMORIS
- SARTORIUS
