List of flexors of the human body
In anatomy, flexion (from the Latin verb flectere, to bend)[1] is a joint movement that decreases the angle between the bones that converge at the joint. For example, your elbow joint flexes when you bring your hand closer to the shoulder. Flexion is typically instigated by muscle contraction. A muscle that flexes a joint is called a flexor.
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Flexors
Upper limb
Lower limb
Hip
The iliacus and nearby muscles
The hip flexors are (in descending order of importance to the action of flexing the hip joint):[2]
- Collectively known as the iliopsoas or inner hip muscles:
- Anterior compartment of thigh
- Rectus femoris (part of the quadriceps muscle group)
- Sartorius
- One of the gluteal muscles:
- Medial compartment of thigh
Without the iliopsoas muscles, flexion in sitting position is not possible across the horizontal plane.[2]
Thigh
- Gracilis
- Sartorius
- Gastrocnemius
- Popliteus
- Plantaris (negligible)
- of toes
- of proximal phalanges at metatarsophalangeal joint[4]
See also
References
- Anderson, Kenneth N.; et al., eds. (1994). Mosby's Medical, Nursing, & Allied Health Dictionary (4th ed.). St. Louis: Mosby-Year Book. p. 624. ISBN 9780801672255. OCLC 312496360.
- Platzer (2004), p 246
- Knee Articulations
- Foot Articulations
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