Test #7 - Class 12: Muscles 20-27; Class 13: 28-40 Flashcards
How many superficial layer of the anterior forearm muscles?
1 muscles
What is the 1 superficial layer of the anterior forearm muscle?
- Brachioradialis
Superficial Layer of the Anterior Forearm: Brachioradialis*
GL: Anterior/Lateral, Forearm, Superficial
O: Lateral supracondylar ridge of the Humerus
I: Styloid process of the Radius
What is the division between the extensor and flexor group?
Brachioradialis
How many Deep Layer of the Anterior Forearm?
2 muscles
What are the 2 Deep Layer of the Anterior Forearm muscles?
- Flexor Pollicis Longus; and 2. Flexor Digitorum Profundus
Deep Layer of the Anterior Forearm: Flexor Pollicis Longus
GL: ANTERIOR, FOREARM, DEEP
O: Proximal Radius and Interosseous membrane
I: Base of the distal Phalanx of the thumb
Deep Layer of the Anterior Forearm: Flexor Digitorum Profundus
GL: ANTERIOR, FOREARM, DEEP
O: Proximal 3/4 of the Ulna and Interosseous membrane
I: Bases of the distal Phalanges of the medial 4 digits
How many Intermediate Layer of the Anterior Forearm muscles?
1 muscle + 1 retinaculum
What are the 2 ntermediate Layer of the Anterior Forearm muscles?
- Flexor Digitorum Superficialis; and 2. Flexor Retinaculum (Transverse Carpal Ligament)
Intermediate Layer of the Anterior Forearm: Flexor Digitorum Superficialis
GL: ANTERIOR, FOREARM, INTERMEDIATE
O: 1) Humeroulnar Head: Medial epicondyle of the Humerus and Coronoid process of the Ulna; 2) Radial Head: Proximal 1/2 of the Radius
I: Bodies of the middle phalanges of the medial 4 digits
Intermediate Layer of the Anterior Forearm: Flexor Retinaculum (Transverse Carpal Ligament)
GL: ROOF OF THE CARPAL TUNNEL
O: Attaches to the hook of the Hamate and the Trapezium
What is the Transverse Carpal Ligament?
Flexor Retinaculum
What makes up the structure of the Carpal Tunnel?
Floor: Made up of carpal bones
Walls: Trapezium & hook of Hamate
Roof: Flexor Retinaculum Deep
How many muscles involved in the Carpal Tunnel?
3 muscles
What are the 3 muscles involves in the Carpal Tunnel?
- Flexor Pollicis Longus; 2. Flexor Digitorum Profundus; and 3. Flexor Digitorum Superficialis
How many tendons are involved in the Carpal Tunnel?
9 tendons
What are the 9 tendons involved in the Carpal Tunnel?
- Flexor Pollicis Longus (1 tendon); 2. Flexor Digitorum Profundus (4 tendons); and 3. Flexor Digitorum Superficialis (4 tendons)
How many nerves are involved in the Carpal Tunnel?
1 nerve
What is the 1 nerve involved in the Carpal Tunnel?
The median nerve.
It is one nerve that is part of the Brachial Plexus group. It travels down the medial arm. Runs anterior to the medial epicondyle of the Humerus. It runs down the anterior forearm and through the carpal tunnel. It serves digits 1, 2, 3 and part of 4.
What is the Brachial Plexus?
Consists of spinal nerves C5 through T1.
What is Carpal Tunnel Syndrome (CTS?)
Through repetitive use of the flexors, inflammation develops within the carpal tunnel. This impinges the medial nerve which results in tingling, numbness, pain and eventual loss of use of the lateral hand (digits 1, 2, 3 and part of 4).
How many muscles of the Superficial layer of the Anterior Forearm?
4 muscles + 1 retinaculum
What are the 5 superficial layer of the Anterior Forearm muscles?
- Flexor Carpi Radialis; 2. Flexor Carpi Ulnaris; 3. Flexor Retinaculum; 4. Palmaris Longus; and 5. Pronator Teres
Superficial Layer of the Anterior Forearm: Palmaris Longus*
GL: Anterior, Forearm, Superficial
O: Medial epicondyle of the Humerus (common flexor tendon)
I: Flexor Retinaculum and Palmar Aponeurosis
Superficial Layer of the Anterior Forearm: Pronator Teres*
GL: Anterior, Forearm, Superficial
O: Medial epicondyle of the Humerus (common flexor tendon)
I: Middle of the Radius
How many Deep Lateral Rotators of the Hip muscles?
6 muscles
“The Deep Six”
What is the mnemonic for “the deep six”?
Piece Goods Often Go On Quilts
or
P-GO-GO-Q
What are the 6 Deep Lateral Rotators of the Hip muscles?
P - Piriformis G - Gemellus Superior O - Obturator Internus G - Gemellus Inferior O - Obturator Externus Q - Quadratus Femoris
Deep Lateral Rotators of the Hip: Piriformis*
GL: Posterior, Buttocks, Deep
O: Anterior surface of the Sacrum
I: Greater trochanter of the Femur
Deep Lateral Rotators of the Hip: Gemellus Superior
GL: POSTERIOR, BUTTOCKS, DEEP
O: Ischial spine of the Ischium
I: Greater trochanter of the Femur (medial surface)
Deep Lateral Rotators of the Hip: Obturator Internus
GL: POSTERIOR, BUTTOCKS, DEEP
O: Obturator membrane and surrounding bone
I: Medial surface of the greater trochanter of the Femur
Deep Lateral Rotators of the Hip: Gemellus Inferior
GL: POSTERIOR, BUTTOCKS, DEEP
O: Ischial tuberosity of the Ischium
I: Greater trochanter of the Femur (medial surface)
Deep Lateral Rotators of the Hip: Obturator Externus
GL: POSTERIOR, BUTTOCKS, DEEP
O: Margins fo the Obturator Foramen of the Pubis and Ischium
Deep Lateral Rotators of the Hip: Quadratus Femoris
GL: POSTERIOR, BUTTOCKS, DEEP
O: Ischial tuberosity of the Ischium
I: Quadrate tubercle of the Femur
What is the sciatic nerve made up of?
Spinal nerves L4 through S3.
Largest nerve in the body. Serves flutes, posterior thigh and entire leg. It branches just above the popliteal region into the tibial and common fibular nerves.
What is sciatica?
Impingement of the sciatic nerve by soft tissue or bone. Occurs in the lower lumbar/upper sacral regions. Causes tingling, numbness, pain and eventual loss of use of the lower extremity.
What is piriformis syndrome?
Impingement of the sciatic nerve through the greater sciatic notch by the piriformis muscle. Causes symptoms similar to sciatica.
How many Posterior Buttocks muscles?
3 muscles
What are the 3 posterior buttocks muscles?
- Gluteus Minimus; 2. Gluteus Medius; and 3. Gluteus Maximus
Posterior Buttocks: Gluteus Minimus*
GL: Posterior, Buttocks, Deep
O: Exterior surface of the Ilium (between superior and inferior Gluteal lines)
I: Greater trochanter of the Femur (anterior border)
Posterior Buttocks: Gluteus Medius*
GL: Posterior/Lateral, Buttocks, Superficial
O: Exterior surface of the Ilium (between Iliac crest and superior Gluteal lines)
I: Greater trochanter of the Femur (posterior border)
Posterior Buttocks: Gluteus Maximus*
GL: Posterior, Buttocks, Superficial
O: Ilium, Iliac crest, Sacrum & Coccyx
I: Iliotibial Band to Lateral condyle of the Tibia and Gluteal tuberosity of the Femur
How many Anterior/Lateral Thigh muscles?
1 muscle + IT band
What are the 2 Anterior/Lateral Thigh muscles?
- Iliotibial Band; and 2. Tensor Fascia Latae
Anterior/Lateral Thigh: Iliotibial Band
GL: LATERAL, THIGH, SUPERFICIAL
O: Iliac crest
I: Lateral condyle of the Tibia
Anterior/Lateral Thigh: Tensor Fascia Latae*
GL: Anterior/Lateral, Hip, Superficial
O: ASIS and Iliac crest of the Ilium
I: Lateral condyle of the Tibia via the Iliotibial band
NOTE: Doesn’t insert on greater trochanter.
What is the iliotibial band (IT band)?
Connective tissue (not muscle). Runs from the iliac crest down to the tibial condyle.
When tensor fascia latae (TFL) + gluteus maximus contract, they keep tension on the IT band to help “track” the knee.
Superficial Layer of the Anterior Forearm: Flexor Carpi Radialis*
GL: Anterior, Forearm, Superficial
O: Medial epicondyle of the Humerus (common flexor tendon)
I: Base of the 2nd and 3rd Metacarpals
Superficial Layer of the Anterior Forearm: Flexor Carpi Ulnaris*
GL: Anterior, Forearm, Superficial
O: 1) Humeral head: Medial epicondyle of the Humerus; 2) Ulnar head: Olecrannon and posterior border of Ulna
I: Pisiform
Superficial Layer of the Anterior Forearm: Flexor Retinaculum
GL: Connective tissue band on the anterior wrist
O: It meets the extensor retinaculum at the distal radius and ulna