Muscles Flashcards
Muscles of the Anterior Compartment of the Thigh
Iliopsoas
Pectineus
Sartorius
Quadriceps Femoris
Muscles of the Anterior Compartment of Thigh
- Nerve Supply
- Exception?
NS: femoral nerve
Exception = psoas section supplied by L1,2,3
Muscles of the Medial Compartment of the Thigh
Obturator Externus Adductor Magnus Adductor Brevis Adductor Longus Gracilis
Flexors of the Thigh
Iliopsoas
Pectineus
Sartorius
Extensors of the Thigh
Quadriceps Femoris
Muscles of the Medial Compartment of Thigh
- Nerve Supply
- Exception?
NS: obturator nerve
Exception = hamstring part of adductor magnus supplied by tibial nerve
Adductors of the Thigh
Adductor Brevis, Magnus, Longus
Obturator Externus
Gracilis
Muscles of the Posterior Compartment of Thigh
Semintendinosus Biceps Femoris (Long Head and Short Head) Semi-membranosus
Muscles of the Posterior Compartment of Thigh
- Nerve Supply
- Exception?
NS: Tibial Nerve
Exception = short head of biceps femoris supplied by common fibular nerve
Action of the Posterior Muscles of the Thigh
Extensor of thigh
Flexor of leg
Muscles of the Anterior Compartment of Leg
Tibialis Anterior
Extensor Digitorum Longus
Extensor Hallucis Longus
Fibularis Tertius
Muscles of the Anterior Compartment of Leg
- Nerve Supply
NS: Deep fibular nerve (branch of common fibular)
Sciatic Nerve
Made up of tibial nerve and common fibular
Muscles of the Lateral Compartment of Leg
Fibularis Longus
Fibularis Brevis
Action of the Anterior Muscles of Leg
Extensors of toes
Dorsiflexors
Action of the Lateral Muscles of Leg
Evert foor
Weak plantarflexor
Muscles of the Lateral Compartment of Leg
- Nerve Supply
NS: Superficial fibular nerve
Muscles of the Posterior Compartment of Leg
- Superficial
- Deep
Superficial - Plantaris - Gastrocnemius - Soleus Deep - Popliteus - Tibialis Posterior - Flexor Hallucis Longus - Flexor Digitorum Longus
Muscles of the Posterior Compartment of Leg
- Nerve Supply
NS: Tibial nerve
Action of Superficial Posterior Muscles of Leg
Plantarflexors of Ankle
Action of Deep Posterior Muscles of Leg
Plantarflexors of Ankle
Flexor of toes
Rotator Cuff Muscles
Subscapularis
Supraspinatus
Infraspinatus
Teres Minor
Muscles of Anterior Compartment of Arm
Biceps Brachii
Coracobrachialis
Brachialis
Muscles of Anterior Compartment of Arm
- Nerve Supply
NS: Musculocutaneous nerve
Action of Anterior Muscles of Arm
Flexion of arm and forearm
Muscles of Posterior Compartment of Arm
Triceps brachii
Muscles of Posterior Compartment of Arm
- Action
- Nerve Supply
Action = extends forearm and arm
NS: Radial nerve
Muscles of Posterior Compartment of Forearm
- Superficial
- Deep
Superficial - Aconeus - Brachioradialis - Extensor digitorum - Extensor carpi radialis longus - Extensor carpi radialis brevis - Extensor digiti minimi - Extensor carpi ulnaris Deep - Supinator - Abductor pollicis longus - Extensor pollicis brevis - Extensor pollicis longus - Extensor indicis
Muscles of Posterior Compartment of Forearm
- Nerve Supply
NS: Radial nerve
Action of Posterior Muscles of Forearm
Extension of wrist and digits
Supination
Adduction
Abduction
Muscles of the Anterior Compartment of Forearm
- Superficial
- Middle
- Deep
Superficial - Pronator teres - Flexor carpi ulnaris - Flexor carpi radius - Palmaris longus Middle - Flexor digitorum superficialis Deep - Flexor pollicis longus - Flexor digitorum profundus - Pronator quadratus
Muscles of Anterior Superficial Compartment of Forearm
- Nerve Supply
- Exceptions
NS: Median nerve
Exception = flexor carpi ulnaris supplied by ulnar nerve
Muscles of Anterior Middle Compartment of Forearm
- Nerve Supply
- Exceptions
NS: Median nerve
Exception = medial half of FDP supplied by ulnar nerve and flexor carpi ulnaris
Ulnar nerve supplies..
Flexor carpi ulnaris
Medial half of FDP
Muscles of Anterior Deep Compartment of Forearm
- Nerve Supply
NS: Median nerve
Action of Anterior Muscles of Forearm
Flexion of wrist and digits
Pronation
Adduction
Abduction
Thenar Emminence
Area underneath the base of the thumb
Thenar Emminence
- Nerve Supply
- Muscles
NS: Recurrent branch of median nerve
Muscles = adductor pollicis brevis, flexor pollicis brevis, opponens pollicis
Hypothenar Eminence
Area beneath the little finger which control the movement of the little finger
Hypothenar Eminence
- Nerve Supply
- Muscles
NS: Deep branch of the ulnar nerve
Muscles = abductor digiti minimi, flexor digiti minimi brevis, opponens digiti minimi
Lumbrical Muscles
- Nerve Supply
NS:
1st and 2nd (lateral) - median nerve
3rd and 4th (medial) - ulnar nerve
Interossei Muscles
- Classification and Action
- Nerve Supply
4 Dorsal Interossei
= abduction of digits
3 Palmar Interossei
= adduction of digits
NS: Ulnar nerve
Muscles in the Gluteal Region
- Superficial
- Deep
Superficial - Gluteus maximus - Gluteus medius - Gluteus minimus - Tensor fascia latae Deep - Piriformis - Obturator internus - Gemelli
Muscles of Superficial Gluteal Region
- Nerve Supply
- Exceptions
NS: Superior gluteal nerve
Exceptions = gluteus maximus innervated by inferior gluteal nerve
Actions of Superficial Gluteal Muscles
Extension
Abduction
Medial Rotators
Actions of Deep Gluteal Muscles
Hip Stabilisers
Lateral Rotators of Thigh
Muscles of Deep Gluteal Region
- Nerve Supply
NS: nerves from sacral plexus
Axio-appendicular Muscles
Trapezius
Serratus Anterior
Rhomboid Minor and Major
Latissimus Dorsi
Attachment to the Lesser Tubercle of the Humerus…
Subscapularis
Pronation…
Pronator teres
Pronator quadratus
Supination…
Biceps brachii
Supinator