Gross Anatomy – Hand Exam With complete solution–Expert
Verified | Latest Questions 2025
What is the fibrous flexor sheath? - Anterior surface of digits 2-5
Thick fibrous CT
Holds flexor tendons in place
Identify the tendons labeled A - Tendons of flexor digitorum profundus m.
Identify the tendons labeled B - Tendons of flexor digitorum superficialis m.
Identify the structure labeled C - Fibrous flexor sheath (cut)
Identify the ligament labeled D - Deep transverse metacarpal lig.
What is the extensor expansion sheath? - Tendinous aponeurosis on posterior surface
of digits 2-5
Formed from tendons of extensors, interossei and lumbricals mm.
Allows for FLEXION at MP and EXTENSION at IP
Identify A - Deep transverse metacarpal lig.
Identify B - Lumbricals m. (reflected)
Identify C - Adductor pollicis m.
Identify D - Dorsal interosseus m.
Identify E - Abductor pollicis brevis m.
Identify F - Opponens pollicis m.
Identify G - Flexor pollicis brevis m.
Identify H - Abductor digiti minimi m. (cut)
Identify I - Flexor digiti minimi m. (cut)
Identify J - Opponens digiti minimi m.
Identify K - Deep palmar arch
Identify L - Palmar interossei mm.
Verified | Latest Questions 2025
What is the fibrous flexor sheath? - Anterior surface of digits 2-5
Thick fibrous CT
Holds flexor tendons in place
Identify the tendons labeled A - Tendons of flexor digitorum profundus m.
Identify the tendons labeled B - Tendons of flexor digitorum superficialis m.
Identify the structure labeled C - Fibrous flexor sheath (cut)
Identify the ligament labeled D - Deep transverse metacarpal lig.
What is the extensor expansion sheath? - Tendinous aponeurosis on posterior surface
of digits 2-5
Formed from tendons of extensors, interossei and lumbricals mm.
Allows for FLEXION at MP and EXTENSION at IP
Identify A - Deep transverse metacarpal lig.
Identify B - Lumbricals m. (reflected)
Identify C - Adductor pollicis m.
Identify D - Dorsal interosseus m.
Identify E - Abductor pollicis brevis m.
Identify F - Opponens pollicis m.
Identify G - Flexor pollicis brevis m.
Identify H - Abductor digiti minimi m. (cut)
Identify I - Flexor digiti minimi m. (cut)
Identify J - Opponens digiti minimi m.
Identify K - Deep palmar arch
Identify L - Palmar interossei mm.
